2005 5L40E, 5L65E, 4T65E when used with 2.8L (LP1), 3.

6L (LY7)
in these vehicles: CTS, SRX, Rendezvous, LaCrosse, Regal
TRANSMISSION DIAGNOSTIC PARAMETERS
2005trans14.doc

FAIL MONITORING
PRIMARY MALF SECONDARY MONITORED FAULT CODE
SENSED FAULT ACCEPTABLE OPERATING TIME LENGTH AND
DETECTION PARAMETERS AND STORAGE AND
PARAMETER CODE RANGE AND RATIONALITY FREQUENCY
PARAMETERS CONDITIONAS MIL ILLUMINATIN
CHECK
Throttle Position P0120 This DTC detects an invalid ECU CAN message does - Ignition voltage: 8 V to 18 V Continuous DTC Type
Signal throttle position value from the not contain a valid throttle - Engine speed: 450 to 6800 RPM B
ECU to the TCM position value for 2.0 for at least 5 seconds
No Valid Signal seconds - No CAN error in process
CAN

Transmission P0218 This DTC detects a high TTS ≥ 132 C Trans temp: -39 C to 149 C for at 600 seconds DTC Type
Fluid transmission temperature for a least 5 seconds, C
Overtemperature long period of time Ignition voltage: 8 V to 18 V Continuous

TCM ROM Test P0601 This DTC detects an error in the Checksum calculation none immediate DTC Type
flash memory containing the algorithm of flash memory A
program and calibration

No Start P0602 This DTC indicates the flash KbINFD_NoStartCal = none immediate DTC Type
Calibration memory has not been TRUE A
programmed

Power up copy P0603 This DTC detects an error in the Checksum calculation none immediate DTC Type
of NVM to RAM RAM copy of NVM @ power up algorithm of NVM copy A

RAM Test P0604 This DTC tests the read/write Read and write each RAM none immediate DTC Type
capability of each RAM location location A

2005trans14.doc Page 1 of 18 1
 2005 5L40E, 5L65E, 4T65E when used with 2.8L (LP1), 3.6L (LY7)
in these vehicles: CTS, SRX, Rendezvous, LaCrosse, Regal
TRANSMISSION DIAGNOSTIC PARAMETERS
2005trans14.doc
FAIL MONITORING
PRIMARY MALF SECONDARY MONITORED FAULT CODE
SENSED FAULT ACCEPTABLE OPERATING TIME LENGTH AND
DETECTION PARAMETERS AND STORAGE AND
PARAMETER CODE RANGE AND RATIONALITY FREQUENCY
PARAMETERS CONDITIONAS MIL ILLUMINATIN
CHECK
Trans Fluid P0711 0 to 75 KOhms. When fail case 1 or fail case - Ignition voltage: 8 V to 18 V Continuous DTC Type
Temp Sensor 2 is true. - No ECT DTC P1792 C
Circuit The DTC detects an unrealistically - No TISS P0716, P0717, or TOSS
large change in transmission OR P0722. P0723 DTC's
Performance temperature, or, a value that - P0711 has not passed this ignition
Test remains constant for a period of When fail case 3 is true. cycle
time in which a measurable - Engine speed: 450 to 6800 RPM
amount of change is expected. for at least 5 seconds
- Trans temp: -39 C to 149 C
Fail case 1 and 2:
U

- Engine coolant temp ≥ 70 C

- Engine coolant temp delta ≥ 50 C
since start up
- Trans slip speed ≥ 120 RPM for at
least 600 cumulative sec
Fail case 1 & 2:
U

Trans temp delta ≤ 2 C Fail case 1:

U

- Vehicle speed ≥ 8 KPH for at least Fail case 1 & 2:

U
U

900 cumulative sec 100 seconds since test

- Trans temp at startup: -40 C to 21 enabled
C
Fail case 2:
U

- Vehicle speed ≥ 8 KPH for at least

600 cumulative sec
- Trans temp at startup: 129 C to
Fail case 3:
U

150 C
fail counter ≥ 14 over
sample period Fail case 3:
U
Fail case 3:
U U

7 second sample period

Trans temp delta ≥ 20 C (absolute
value) over 250 msec, increment
fail counter

Trans Fluid P0712 0 to 97 Kohms Resistance ≤ 46.18 Ohms - Ignition voltage: 8 V to 18 V 10 seconds DTC Type
Temp - Engine speed: 450 to 6800 RPM C
Sensor Circuit The DTC detects a continuous for at least 5 seconds Continuous
short to ground in the TTS signal
Low input circuit or the TTS sensor

(high temp)

2005trans14.doc Page 2 of 18 2
 2005 5L40E, 5L65E, 4T65E when used with 2.8L (LP1), 3.6L (LY7)
in these vehicles: CTS, SRX, Rendezvous, LaCrosse, Regal
TRANSMISSION DIAGNOSTIC PARAMETERS
2005trans14.doc
FAIL MONITORING
PRIMARY MALF SECONDARY MONITORED FAULT CODE
SENSED FAULT ACCEPTABLE OPERATING TIME LENGTH AND
DETECTION PARAMETERS AND STORAGE AND
PARAMETER CODE RANGE AND RATIONALITY FREQUENCY
PARAMETERS CONDITIONAS MIL ILLUMINATIN
CHECK
Trans Fluid P0713 0 to 97 Kohms Resistance ≥ 111.605 k - Ignition voltage: 8 V to 18 V 25 seconds DTC Type
Temp. Sensor Ohms - Engine speed: 450 to 6800 RPM C
Circuit The DTC detects a continuous for at least 5 seconds Continuous
open or short to high in the TTS - No TISS P0716, P0717, or TOSS
High input signal circuit or the TTS sensor P0722. P0723 DTC's
- TOSS ≥ 200 RPM for at least 200
(low temp) seconds cumulative
- Trans slip speed ≥ 120 RPM for at
least 200 seconds cumulative

Transmission P0716 0 RPM to 6800 RPM Trans input speed delta ≥ - Ignition voltage: 8 V to 18 V 4 second sample period DTC Type
Input Speed 1000 RPM during sample - Engine speed: 450 to 6800 RPM B
Sensor This DTC detects an unrealistic period for at least 5 seconds
large drop in transmission input - No throttle system P1791, P1795
performance, speed. DTC’s
signal drop - No TISS P0716 FA or TFTKO
- No TISS P0717 DTC
- No TOSS P0722, P0723 DTC’s
- No shift solenoid A performance
DTC P0752
- No shift solenoid A electrical
DTC’s P1842 or P1843
- No Engine Torque DTC’s
- Vehicle speed ≥ 16 KPH
- TPS ≥ 12 %
- Trans input speed > 1050 RPM for
time ≥ 2 seconds
- Positive trans input speed delta ≥
500 RPM for time ≥ 2 seconds OR
Negative trans input speed delta
for a time ≥ 2 seconds

Transmission P0717 0 RPM to 6800 RPM Trans input speed < 100 - Ignition voltage: 8 V to 18 V 5 second sample period DTC Type
Input Speed RPM over sample period - Engine speed: 450 to 6800 RPM B
Sensor This DTC detects a low for at least 5 seconds Continuous
transmission input speed when the - No Engine Torque DTC’s
Low input, no vehicle is moving in a drive gear - No TOSS P0722, P0723 DTC’s
activity range. - Vehicle speed ≥ 16 KPH
- No TISS 717 FA or TFTKO

2005trans14.doc Page 3 of 18 3
 2005 5L40E, 5L65E, 4T65E when used with 2.8L (LP1), 3.6L (LY7)
in these vehicles: CTS, SRX, Rendezvous, LaCrosse, Regal
TRANSMISSION DIAGNOSTIC PARAMETERS
2005trans14.doc
FAIL MONITORING
PRIMARY MALF SECONDARY MONITORED FAULT CODE
SENSED FAULT ACCEPTABLE OPERATING TIME LENGTH AND
DETECTION PARAMETERS AND STORAGE AND
PARAMETER CODE RANGE AND RATIONALITY FREQUENCY
PARAMETERS CONDITIONAS MIL ILLUMINATIN
CHECK
Vehicle Speed P0722 0 RPM to 6800 RPM Transmission output speed - Ignition voltage: 8 V to 18 V 3 seconds DTC Type
Sensor ≤ 100 RPM - Engine speed: 450 to 6800 RPM B
This DTC detects a low vehicle for at least 5 seconds Continuous
Low input speed when the vehicle has a - No engine torque default
large engine speed in a drive gear - No TISS P0716 or P0717 DTC’s
range. - No TPS DTC's
- No P0723 DTC
- P0722 not FA or TFTKO
- Engine Torque: 70 to 450 Nm
- Throttle position ≥ 12%
- TISS: 1500 to 6800 RPM

Vehicle Speed P0723 0 RPM to 6800 RPM Transmission output speed - Ignition voltage: 8 V to 18 V 3 second sample period DTC Type
Sensor drop ≥ 1300 RPM during - Engine speed: 450 to 6800 RPM B
This DTC detects an unrealistic sample period for at least 5 seconds
Intermittent large drop in vehicle speed. - No TISS P0716, P0717 DTC’s
- No shift solenoid A electrical DTC
P1843
- Trans input speed change
between samples ≤ 500 RPM for
time ≥ 2 seconds
- Trans output speed > 1400 RPM
for a time ≥ 2 seconds
- Positive trans output speed delta ≤
500 RPM for a time ≥ 2 seconds
OR
Negative trans output speed delta
for a time ≥ 2 seconds

Engine Speed P0727 This DTC detects an invalid ECU CAN message does - Ignition voltage: 8 V to 18 V Continuous DTC Type
Sensor Circuit engine speed value from the ECU not contain a valid engine B
to the TCM speed value for 2 seconds
No Valid Signal
CAN

2005trans14.doc Page 4 of 18 4
 2005 5L40E, 5L65E, 4T65E when used with 2.8L (LP1), 3.6L (LY7)
in these vehicles: CTS, SRX, Rendezvous, LaCrosse, Regal
TRANSMISSION DIAGNOSTIC PARAMETERS
2005trans14.doc
FAIL MONITORING
PRIMARY MALF SECONDARY MONITORED FAULT CODE
SENSED FAULT ACCEPTABLE OPERATING TIME LENGTH AND
DETECTION PARAMETERS AND STORAGE AND
PARAMETER CODE RANGE AND RATIONALITY FREQUENCY
PARAMETERS CONDITIONAS MIL ILLUMINATIN
CHECK
TCC System P0741 This DTC detects high torque Increment fail counter when:
U - Ignition voltage: 8 V to 18 V Run fail only once per DTC Type
Stuck OFF converter slip when the TCC is - Engine speed: 450 to 6800 RPM TCC ON cycle, at a max B
commanded on. TCC slip ≥ f(engine torque) for at least 5 seconds rate of 100 mS.
for time ≥ 8 seconds, where - No IMS range DTC’s
f(engine torque) is 150 to - No throttle system P1791, P1795
250 RPM DTC's
- No engine torque default
Fail counter ≥ 2 - No TISS P0716, P0717 DTC's
- No TOSS P0722, P0723 DTC's
- IMS range is D2, D3, D4 or D5
- No TCC solenoid electrical P1866,
P1867 DTC’s
- No TCC stuck ON P0742 TCC
DTC set
- No IMS range change in last 6
seconds
- TPS: 10% to 90%
- Trans temp.: 20 C to 130 C
- Engine torque: 55 Nm to 450 Nm
- 3rd gear ratio: 1.56 to 1.64 or
P P

4th gear ratio: 0.98 to 1.03 or

P P

5th gear ratio: 0.73 to 0.77

P P

- TCC LOCKED or ON
- TCC commanded pressure ≥ 200
kPa for time ≥ 2 seconds
- TCC duty cycle ≥ 80% for time ≥ 2
seconds

2005trans14.doc Page 5 of 18 5
 2005 5L40E, 5L65E, 4T65E when used with 2.8L (LP1), 3.6L (LY7)
in these vehicles: CTS, SRX, Rendezvous, LaCrosse, Regal
TRANSMISSION DIAGNOSTIC PARAMETERS
2005trans14.doc
FAIL MONITORING
PRIMARY MALF SECONDARY MONITORED FAULT CODE
SENSED FAULT ACCEPTABLE OPERATING TIME LENGTH AND
DETECTION PARAMETERS AND STORAGE AND
PARAMETER CODE RANGE AND RATIONALITY FREQUENCY
PARAMETERS CONDITIONAS MIL ILLUMINATIN
CHECK
TCC System P0742 This DTC detects low torque Increment fail counter when:
U - Ignition voltage: 8 V to 18 V 100 mS continuous DTC Type
Stuck ON converter slip when the TCC is - Engine speed: 450 to 6800 RPM B
commanded off. TCC Slip: for at least 5 seconds
-20 to +20 RPM for time ≥ - No IMS range DTC’s
3.5 seconds - No throttle system P1791, P1795
DTC's
Fail Counter ≥ 3 - No engine torque default
- No TISS P0716, P0717 DTC's
- No TOSS P0722, P0723 DTC's
- IMS range is D5
- No TCC solenoid electrical P1866,
P1867 DTC’s
- No TCC stuck OFF P0741 TCC
DTC set
- Not in 1st gear
- Trans temp: 20 C to 130 C
- Engine torque: 80 Nm to 450 Nm
- Throttle position: 12% to 90%
- Engine speed: 500 to 6800 RPM
- Vehicle speed ≥ 15 KPH
- Gear ratio: 0.73 to 2.27
- TCC is commanded OFF

2005trans14.doc Page 6 of 18 6
 2005 5L40E, 5L65E, 4T65E when used with 2.8L (LP1), 3.6L (LY7)
in these vehicles: CTS, SRX, Rendezvous, LaCrosse, Regal
TRANSMISSION DIAGNOSTIC PARAMETERS
2005trans14.doc
FAIL MONITORING
PRIMARY MALF SECONDARY MONITORED FAULT CODE
SENSED FAULT ACCEPTABLE OPERATING TIME LENGTH AND
DETECTION PARAMETERS AND STORAGE AND
PARAMETER CODE RANGE AND RATIONALITY FREQUENCY
PARAMETERS CONDITIONAS MIL ILLUMINATIN
CHECK
Shift Solenoid A P0751 This DTC detects abnormal shift The fail counter is General Continuous DTC Type
Performance pattern incremented when the - Ignition voltage: 8 V to 18 V B
following fail cases are true: - Engine speed: 450 to 6800 RPM
Stuck ON: for at least 5 seconds
2-2-3-3-3 pattern Stuck ON - No TPS DTC's
fail case 1 AND fail case 2 - No IMS range DTC’s
- No engine torque default
Fail Counter ≥ 2 - No shift solendoid electrical
DTC’s: P1842, P1843, P1845,
P1847 P1864, P1865
- No TCC stuck ON DTC P0742
- No TISS P0716, P0717 DTC's
- No TOSS P0722, P0723 DTC's
- IMS range not park or neutral or
reverse
- Trans temp: 20 C to 130 C
- Trans input speed: 200 to 6800
RPM
- Trans output speed ≥ 100 RPM

Fail Case 1
U
Fail Case 1
U U

- 1st gear commanded for time ≥ 1.25

1.25 second seconds
- TPS ≥10%
- Engine torque: 40 Nm to 450 Nm
- Gear ratio: 2.16 to 2.27
Fail Case 2
U U

Fail Case 2
U
5 seconds
- 4th or 5th gear commanded for
time ≥ 5.0 second
- TPS ≥ 10%
- Engine torque: 36 Nm to 450 Nm
- Gear ratio: 1.56 to 1.64

2005trans14.doc Page 7 of 18 7
 2005 5L40E, 5L65E, 4T65E when used with 2.8L (LP1), 3.6L (LY7)
in these vehicles: CTS, SRX, Rendezvous, LaCrosse, Regal
TRANSMISSION DIAGNOSTIC PARAMETERS
2005trans14.doc
FAIL MONITORING
PRIMARY MALF SECONDARY MONITORED FAULT CODE
SENSED FAULT ACCEPTABLE OPERATING TIME LENGTH AND
DETECTION PARAMETERS AND STORAGE AND
PARAMETER CODE RANGE AND RATIONALITY FREQUENCY
PARAMETERS CONDITIONAS MIL ILLUMINATIN
CHECK
Shift Solenoid A P0752 This DTC detects abnormal shift The fail counter is General Continuous DTC Type
Performance pattern incremented when the - Ignition voltage: 8 V to 18 V B
following fail cases are true: - Engine speed: 450 to 6800 RPM
Stuck OFF: for at least 5 seconds
1-1-4-4-5 pattern Stuck OFF - No TPS DTC's
fail case 3 AND fail case 4 - No IMS range DTC’s
- No engine torque default
Fail Counter ≥ 2 - No shift solendoid electrical
DTC’s: P1842, P1843, P1845,
P1847 P1864, P1865
- No TCC stuck ON DTC P0742
- No TISS P0716, P0717 DTC's
- No TOSS P0722, P0723 DTC's
- IMS range not park or neutral or
reverse
- Trans temp: 20 C to 130 C
- Trans input speed: 200 to 6800
RPM
- Trans output speed ≥ 100 RPM

Fail Case 3
U
Fail Case 3
U U

- 2nd gear commanded for time ≥ 2 seconds

1.0 second
- TPS ≥10%
- Engine torque: 32 Nm to 450 Nm
- Gear ratio: 3.33 to 3.50

Fail Case 4
U
Fail Case 4
U

- 3rd gear commanded for time ≥ 5 seconds

U

1.0 second
- TPS ≥ 10%
- Engine torque: 32 Nm to 450 Nm
- Gear ratio: 0.98 to 1.03

2005trans14.doc Page 8 of 18 8
 2005 5L40E, 5L65E, 4T65E when used with 2.8L (LP1), 3.6L (LY7)
in these vehicles: CTS, SRX, Rendezvous, LaCrosse, Regal
TRANSMISSION DIAGNOSTIC PARAMETERS
2005trans14.doc
FAIL MONITORING
PRIMARY MALF SECONDARY MONITORED FAULT CODE
SENSED FAULT ACCEPTABLE OPERATING TIME LENGTH AND
DETECTION PARAMETERS AND STORAGE AND
PARAMETER CODE RANGE AND RATIONALITY FREQUENCY
PARAMETERS CONDITIONAS MIL ILLUMINATIN
CHECK
Shift Solenoid B P0756 This DTC detects abnormal shift The fail counter is General Continuous DTC Type
Performance pattern incremented when the - Ignition voltage: 8 V to 18 V B
following fail cases are true: - Engine speed: 450 to 6800 RPM
Stuck OFF: for at least 5 seconds
5-3-3-4-5 pattern Stuck OFF - No TPS DTC's
fail case 5 AND fail case 6 - No IMS range DTC’s
- No engine torque default
Fail Counter ≥ 1 - No shift solendoid electrical
DTC’s: P1842, P1843, P1845,
P1847 P1864, P1865
- No TCC stuck ON DTC P0742
- No TISS P0716, P0717 DTC's
- No TOSS P0722, P0723 DTC's
- IMS range not park or neutral or
reverse
- Trans temp: 20 C to 130 C
- Trans input speed: 200 to 6800
RPM
- Trans output speed ≥ 200 RPM

Fail Case 5
U
Fail Case 5
U U

- 1st gear commanded for time ≥ 2.8 seconds

1.0 second
- TPS ≥10%
- Engine torque: 40 Nm to 450 Nm
- Trans output speed ≥ 200 RPM
- Gear ratio: 0.73 to 0.77

Fail Case 6
U
Fail Case 6
U U

- 2nd gear commanded for time ≥ 1 seconds

1.0 second
- TPS ≥ 10%
- Engine torque: 36 Nm to 450 Nm
- Gear ratio: 1.56 to 1.64

2005trans14.doc Page 9 of 18 9
 2005 5L40E, 5L65E, 4T65E when used with 2.8L (LP1), 3.6L (LY7)
in these vehicles: CTS, SRX, Rendezvous, LaCrosse, Regal
TRANSMISSION DIAGNOSTIC PARAMETERS
2005trans14.doc
FAIL MONITORING
PRIMARY MALF SECONDARY MONITORED FAULT CODE
SENSED FAULT ACCEPTABLE OPERATING TIME LENGTH AND
DETECTION PARAMETERS AND STORAGE AND
PARAMETER CODE RANGE AND RATIONALITY FREQUENCY
PARAMETERS CONDITIONAS MIL ILLUMINATIN
CHECK
Shift Solenoid B P0757 This DTC detects abnormal shift The fail counter is General Continuous DTC Type
Performance pattern incremented when the - Ignition voltage: 8 V to 18 V B
following fail cases are true: - Engine speed: 450 to 6800 RPM
Stuck ON: for at least 5 seconds
1-2-2-1-1 pattern Stuck OFF - No TPS DTC's
fail case 7 AND fail case 8 - No IMS range DTC’s
- No engine torque default
Fail Counter ≥ 1 - No shift solendoid electrical
DTC’s: P1842, P1843, P1845,
P1847 P1864, P1865
- No TCC stuck ON DTC P0742
- No TISS P0716, P0717 DTC's
- No TOSS P0722, P0723 DTC's
- IMS range not park or neutral or
reverse
- Trans temp: 20 C to 130 C
- Trans input speed: 200 to 6800
RPM
- Trans output speed ≥ 100 RPM

Fail Case 7
U
Fail Case 7
U U

- 3rd gear commanded for time ≥ 2 seconds

1.0 second
- TPS ≥10%
- Engine torque: 20 Nm to 450 Nm
- Trans output speed ≥ 200 RPM
- Gear ratio: 2.16 to 2.27

Fail Case 8
U
Fail Case 8
U U

- 4th or 5th gear commanded for 2 seconds

time ≥ 1.0 second
- TPS ≥ 10%
- Engine torque: 12 Nm to 450 Nm
- Gear ratio: 3.33 to 3.50

2005trans14.doc Page 10 of 18 10
 2005 5L40E, 5L65E, 4T65E when used with 2.8L (LP1), 3.6L (LY7)
in these vehicles: CTS, SRX, Rendezvous, LaCrosse, Regal
TRANSMISSION DIAGNOSTIC PARAMETERS
2005trans14.doc
FAIL MONITORING
PRIMARY MALF SECONDARY MONITORED FAULT CODE
SENSED FAULT ACCEPTABLE OPERATING TIME LENGTH AND
DETECTION PARAMETERS AND STORAGE AND
PARAMETER CODE RANGE AND RATIONALITY FREQUENCY
PARAMETERS CONDITIONAS MIL ILLUMINATIN
CHECK
Shift Solenoid C P0761 This DTC detects abnormal shift The fail counter is General Continuous DTC Type
Performance pattern incremented when the - Ignition voltage: 8 V to 18 V B
following fail cases are true: - Engine speed: 450 to 6800 RPM
Stuck OFF: for at least 5 seconds
1-2-3-5-5 pattern Stuck OFF - No TPS DTC's
fail case 9 - No IMS range DTC’s
- No engine torque default
Fail Counter ≥ 2 - No shift solendoid electrical
DTC’s: P1842, P1843, P1845,
P1847 P1864, P1865
- No TCC stuck ON DTC P0742
- No TISS P0716, P0717 DTC's
- No TOSS P0722, P0723 DTC's
- IMS range not park or neutral or
reverse
- Trans temp: 20 C to 130 C
- Trans input speed: 200 to 6800
RPM
- Trans output speed ≥ 100 RPM

Fail Case 9
U
Fail Case 9
U U

- 4th gear commanded for time ≥ 4 seconds

1.0 second
- TPS ≥10%
- Engine torque: 36 Nm to 450 Nm
- Gear ratio: 0.73 to 0.77

2005trans14.doc Page 11 of 18 11
 2005 5L40E, 5L65E, 4T65E when used with 2.8L (LP1), 3.6L (LY7)
in these vehicles: CTS, SRX, Rendezvous, LaCrosse, Regal
TRANSMISSION DIAGNOSTIC PARAMETERS
2005trans14.doc
FAIL MONITORING
PRIMARY MALF SECONDARY MONITORED FAULT CODE
SENSED FAULT ACCEPTABLE OPERATING TIME LENGTH AND
DETECTION PARAMETERS AND STORAGE AND
PARAMETER CODE RANGE AND RATIONALITY FREQUENCY
PARAMETERS CONDITIONAS MIL ILLUMINATIN
CHECK
Shift Solenoid C P0762 This DTC detects abnormal shift The fail counter is General Continuous DTC Type
Performance pattern incremented when the - Ignition voltage: 8 V to 18 V B
following fail cases are true: - Engine speed: 450 to 6800 RPM
Stuck ON: for at least 5 seconds
1-2-3-4-4 pattern Stuck ON - No TPS DTC's
fail case 10 - No IMS range DTC’s
- No engine torque default
Fail Counter ≥ 2 - No shift solendoid electrical
DTC’s: P1842, P1843, P1845,
P1847 P1864, P1865
- No TCC stuck ON DTC P0742
- No TISS P0716, P0717 DTC's
- No TOSS P0722, P0723 DTC's
- IMS range not park or neutral or
reverse
- Trans temp: 20 C to 130 C
- Trans input speed: 200 to 6800
RPM
- Trans output speed ≥ 100 RPM

Fail Case 10
U
Fail Case 10
U U

- 5th gear commanded for time ≥ 3.5 seconds

1.0 second
- TPS ≥10%
- Engine torque: 36 Nm to 450 Nm
- 2nd or 3rd gear commanded for
time ≥ 3.0 seconds
- Gear ratio: 0.98 to 1.03

2005trans14.doc Page 12 of 18 12
 2005 5L40E, 5L65E, 4T65E when used with 2.8L (LP1), 3.6L (LY7)
in these vehicles: CTS, SRX, Rendezvous, LaCrosse, Regal
TRANSMISSION DIAGNOSTIC PARAMETERS
2005trans14.doc
FAIL MONITORING
PRIMARY MALF SECONDARY MONITORED FAULT CODE
SENSED FAULT ACCEPTABLE OPERATING TIME LENGTH AND
DETECTION PARAMETERS AND STORAGE AND
PARAMETER CODE RANGE AND RATIONALITY FREQUENCY
PARAMETERS CONDITIONAS MIL ILLUMINATIN
CHECK
Shift Solenoid A P0973 0V to 12V Fail counter ≥ 43 counts out - Ignition voltage: 8 V to 18 V Continuous DTC Type
Electrical This DTC detects a continuous of 50 total counts - Engine speed: 450 to 6800 RPM B
(open or ground short to ground or open on shift for at least 5 seconds
short) solenoid A circiut - High side driver 2 is commanded
on
- Shift solenoid is commanded on
and an open is detected by
hardware
OR
Shift solenoid is commanded off
and a short to ground is detected
by hardware

Shift Solenoid A P0974 0V to 12V Fail counter ≥ 43 counts out - Ignition voltage: 8 V to 18 V Continuous DTC Type
Electrical This DTC detects a continuous of 50 total counts - Engine speed: 450 to 6800 RPM B
(power short) short to voltage on shift solenoid A for at least 5 seconds
circiut - High side driver 2 is commanded
on
- Shift solenoid is commanded on
and a short to voltage is detected
by hardware

Shift Solenoid B P0976 0V to 12V Fail counter ≥ 43 counts out - Ignition voltage: 8 V to 18 V Continuous DTC Type
Electrical This DTC detects a continuous of 50 total counts - Engine speed: 450 to 6800 RPM B
(open or ground short to ground or open on shift for at least 5 seconds
short) solenoid B circiut - High side driver 2 is commanded
on
- Shift solenoid is commanded on
and an open is detected by
hardware
OR
Shift solenoid is commanded off
and a short to ground is detected
by hardware

2005trans14.doc Page 13 of 18 13
 2005 5L40E, 5L65E, 4T65E when used with 2.8L (LP1), 3.6L (LY7)
in these vehicles: CTS, SRX, Rendezvous, LaCrosse, Regal
TRANSMISSION DIAGNOSTIC PARAMETERS
2005trans14.doc
FAIL MONITORING
PRIMARY MALF SECONDARY MONITORED FAULT CODE
SENSED FAULT ACCEPTABLE OPERATING TIME LENGTH AND
DETECTION PARAMETERS AND STORAGE AND
PARAMETER CODE RANGE AND RATIONALITY FREQUENCY
PARAMETERS CONDITIONAS MIL ILLUMINATIN
CHECK
Shift Solenoid B P0977 0V to 12V Fail counter ≥ 43 counts out - Ignition voltage: 8 V to 18 V Continuous DTC Type
Electrical This DTC detects a continuous of 50 total counts - Engine speed: 450 to 6800 RPM B
(power short) short to voltage on shift solenoid B for at least 5 seconds
circiut - High side driver 2 is commanded
on
- Shift solenoid is commanded on
and a short to voltage is detected
by hardware

Shift Solenoid C P0979 0V to 12V Fail counter ≥ 43 counts out - Ignition voltage: 8 V to 18 V Continuous DTC Type
Electrical This DTC detects a continuous of 50 total counts - Engine speed: 450 to 6800 RPM B
(open or ground short to ground or open on shift for at least 5 seconds
short) solenoid C circiut - High side driver 2 is commanded
on
- Shift solenoid is commanded on
and an open is detected by
hardware
OR
Shift solenoid is commanded off
and a short to ground is detected
by hardware

Shift Solenoid C P0980 0V to 12V Fail counter ≥ 43 counts out - Ignition voltage: 8 V to 18 V Continuous DTC Type
Electrical This DTC detects a continuous of 50 total counts - Engine speed: 450 to 6800 RPM B
(power short) short to voltage on shift solenoid C for at least 5 seconds
circiut - High side driver 2 is commanded
on
- Shift solenoid is commanded on
and a short to voltage is detected
by hardware

Power down P1621 This DTC detects an error in the Checksum calculation None immediate DTC Type
copy of RAM to RAM copy to NVM @ power down algorithm RAM to NVM copy A
NVM

2005trans14.doc Page 14 of 18 14
 2005 5L40E, 5L65E, 4T65E when used with 2.8L (LP1), 3.6L (LY7)
in these vehicles: CTS, SRX, Rendezvous, LaCrosse, Regal
TRANSMISSION DIAGNOSTIC PARAMETERS
2005trans14.doc
FAIL MONITORING
PRIMARY MALF SECONDARY MONITORED FAULT CODE
SENSED FAULT ACCEPTABLE OPERATING TIME LENGTH AND
DETECTION PARAMETERS AND STORAGE AND
PARAMETER CODE RANGE AND RATIONALITY FREQUENCY
PARAMETERS CONDITIONAS MIL ILLUMINATIN
CHECK
IMS Start in P1815 0V to 12V IMS position remains in a - Run once per ignition cycle Once per ignition cycle DTC Type
Wrong Range This DTC detects an invalid state transitional state during the - Ignition voltage: 6 V to 18 V during engine start up. B
of the IMS during engine start up. sequential period of the test. - No TOSS P0722, P0723 DTC’s
- Trans output speed ≤ 100 RPM
- Engine speed ≤ 60 RPM for time ≥
0.25 seconds

- Sequentially:

Engine speed 81 to 625 RPM for

time ≥ 0.15 seconds

Then

Engine speed ≥ 651 RPM and

input speed ≥ 200 RPM for time ≥
1.5 seconds

IMS Circuit A P1820 0V to 12V IMS Circuit A open flag is - Ignition voltage: 8 V to 18 V Fail Co unter ≥ 1 DTC Type
Low This DTC detects an IMS circuit A not set, increment fail - Engine speed: 450 to 6800 RPM B
ground short. counter. for at least 5 seconds
- No engine torque default
- Engine torque: 55 to 450 Nm
- IMS range is Park for time ≥ 1.0
seconds
- A transitional IMS state is present
for time ≥ 4.0 seconds

IMS Circuit B P1822 0V to 12V IMS Circuit B open flag is - Ignition voltage: 8 V to 18 V Fail Counter ≥ 1 DTC Type
High This DTC detects an IMS circuit B set, increment fail counter. - Engine speed: 450 to 6800 RPM B
power short. for at least 5 seconds
- No engine torque default
- Engine torque: 55 Nm to 450 Nm
- IMS range is Park for time ≥ 1.0
seconds
- A transitional IMS state is present
for time ≥ 4.0)seconds

2005trans14.doc Page 15 of 18 15
 2005 5L40E, 5L65E, 4T65E when used with 2.8L (LP1), 3.6L (LY7)
in these vehicles: CTS, SRX, Rendezvous, LaCrosse, Regal
TRANSMISSION DIAGNOSTIC PARAMETERS
2005trans14.doc
FAIL MONITORING
PRIMARY MALF SECONDARY MONITORED FAULT CODE
SENSED FAULT ACCEPTABLE OPERATING TIME LENGTH AND
DETECTION PARAMETERS AND STORAGE AND
PARAMETER CODE RANGE AND RATIONALITY FREQUENCY
PARAMETERS CONDITIONAS MIL ILLUMINATIN
CHECK
IMS Circuit P P1823 0V to 12V IMS Circuit P open flag is - Ignition voltage: 8 V to 18 V Fail Counter ≥ 1 DTC Type
Low This DTC detects an IMS circuit P not set, increment fail - Engine speed: 450 to 6800 RPM B
ground short. counter. for at least 5 seconds
- No engine torque default
- Engine torque: 25 Nm to 450 Nm
- IMS range is Park for time ≥ 1.0
seconds
- A transitional IMS state is present
for time ≥ 5.0 seconds

IMS Illegal P1825 0V to 12V IMS range value converted - Ignition voltage: 8 V to 18 V 5.0 seconds DTC Type
Range This DTC detects an IMS “illegal” is not a valid value. - Engine speed: 450 to 6800 RPM B
range value. for at least 5 seconds Continuous

IMS Circuit C P1826 0V to 12V IMS Circuit B open flag is - Ignition voltage: 8 V to 18 V 3.0 seconds DTC Type
High This DTC detects an IMS circuit C set, increment fail counter. - No TOSS DTC’s B
power short. - No engine torque default Fail Counter ≥ 1
- Engine torque ≥ 20 Nm
- Vehicle speed ≥ 8.0 KHP
- Gear ratio:
3.33 to 3.50 (1st) OR
P P

2.16 to 2.27 (2nd) OR

P P

1.56 to 1.64 (3rd) OR

P P

0.98 to 1.03 (4th) OR

P P

0.73 to 0.77 (5th)

P P

- P1826 not passed this ignition

cycle

High Side Driver P1833 0V to 12V Fail counter ≥ 21 counts out - Ignition voltage: 8 V to 18 V Continuous DTC Type
2 Ground Short This DTC detects a continuous of 25 total counts - Engine speed: 450 to 6800 RPM B
short to ground on the high side for at least 5 seconds
driver circiut - High side driver 2 is commanded
on and ground short is detected
by hardware

High Side Driver P1834 0V to 12V immediate - TCM powered Continuous DTC Type
2 Power Short This DTC detects a continuous - Hardware monitor detects voltage B
short to power on the high side ≥ 6.4 V on high side driver 2 circuit
driver circiut

2005trans14.doc Page 16 of 18 16
 2005 5L40E, 5L65E, 4T65E when used with 2.8L (LP1), 3.6L (LY7)
in these vehicles: CTS, SRX, Rendezvous, LaCrosse, Regal
TRANSMISSION DIAGNOSTIC PARAMETERS
2005trans14.doc
FAIL MONITORING
PRIMARY MALF SECONDARY MONITORED FAULT CODE
SENSED FAULT ACCEPTABLE OPERATING TIME LENGTH AND
DETECTION PARAMETERS AND STORAGE AND
PARAMETER CODE RANGE AND RATIONALITY FREQUENCY
PARAMETERS CONDITIONAS MIL ILLUMINATIN
CHECK
Torque P2544 This DTC detects a failed torque ECU CAN torque request - Ignition voltage: 8 V to 18 V Continuous DTC Type
Reduction Signal reduction requested by the ECU to fail flag is true for 2.0 - Engine speed: 450 to 6800 RPM B
Circuit the TCM seconds for at least 5 seconds
- No CAN error in process
CAN

Engine Torque P2637 This DTC detects an invalid ECU CAN message does - Ignition voltage: 8 V to 18 V Continuous DTC Type
Signal Circuit engine torque value from the ECU not contain a valid engine - Engine speed: 450 to 6800 RPM B
to the TCM torque value for 2.0 seconds for at least 5 seconds
No Valid Signal - No CAN error in process
CAN

TCC PWM P2763 0V to 12V Fail counter ≥ 43 counts out - Ignition voltage: 8 V to 18 V Continuous DTC Type
Solenoid This DTC detects a continuous of 50 total counts - Engine speed: 450 to 6800 RPM B
Electrical short to power on TCC PWM for at least 5 seconds
(power short) circiut - High side driver 2 is commanded
on
- TCC duty cycle ≥ 45 %
AND
power short is detected by
hardware

TCC PWM P2764 0V to 12V Fail counter ≥ 43 counts out - Ignition voltage: 8 V to 18 V Continuous DTC Type
Solenoid This DTC detects a continuous of 50 total counts - Engine speed: 450 to 6800 RPM B
Electrical short to ground or open on TCC for at least 5 seconds
(open or ground PWM circiut - High side driver 2 is commanded
short) on
- Ground short detection:
TCC duty cycle ≥ 20 %
OR
TCC duty cycle ≤ 50 %
AND
ground short is detected by
hardware
- Open detection:
TCC duty cycle ≥ 20 %
AND
open is detected by hardware

2005trans14.doc Page 17 of 18 17
 2005 5L40E, 5L65E, 4T65E when used with 2.8L (LP1), 3.6L (LY7)
in these vehicles: CTS, SRX, Rendezvous, LaCrosse, Regal
TRANSMISSION DIAGNOSTIC PARAMETERS
2005trans14.doc
FAIL MONITORING
PRIMARY MALF SECONDARY MONITORED FAULT CODE
SENSED FAULT ACCEPTABLE OPERATING TIME LENGTH AND
DETECTION PARAMETERS AND STORAGE AND
PARAMETER CODE RANGE AND RATIONALITY FREQUENCY
PARAMETERS CONDITIONAS MIL ILLUMINATIN
CHECK
CAN Bus Error U0100 This DTC detects a No valid ECU CAN message - Ignition voltage: 8 V to 18 V Continuous DTC Type
ECU communication problem between for 2.0 seconds - no ECU engine speed and torque B
the TCM and ECU message for time ≥ 50 mS
AND
no ECU throttle position message
for time ≥ 50 mS
AND
no ECU general status message
for time ≥ 2.0 sec
AND
no ECU engine coolant temp and
baro for time ≥ 2.0 sec
AND
no ECU wheel speed for time ≥ 50
mS

2005trans14.doc Page 18 of 18 18