2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 2596
transmission control module temperature. This temperature reading is used in various shifting and diagnostic routines in the transmission control
module software.
Conditions for Running the DTC
* Ignition voltage is 11-18 V.
* The engine speed is greater than 450 RPM.
* No DTCs P0722 or P0723.
P0667
* No DTCs P0711, P0712, P077B, or P215C.
* DTC P0667 has not passed this key ON.
* The transmission control module temperature is between -39 and +149掳C (-38 and +300掳F).
P0668
DTC P0668 has not failed this ignition cycle.
P0669
* The transmission OSS parameter is greater than 200 RPM for greater than 200 seconds.
* DTC P0669 has not failed this ignition cycle.
Conditions for Setting the DTC
P0667 - Fail Case 1
* Vehicle speed is greater than 8 km/h (5 mph) for 200 seconds cumulative.
* The TCM Temperature parameter is between -50 and +21掳C (-58 and +70掳F).
* The TCM Temperature parameter has changed by less than 2.0掳C (3.6掳F) in 100 seconds.
* The Trans. Fluid Temp. parameter is greater than 70掳C (158掳F).
* The TFT has increased by 55掳C (99掳F) since startup.
P0667 - Fail Case 2
* Vehicle speed is greater than 8 km/h (5 mph) for 200 seconds cumulative.
* The TCM temperature parameter is between 120-150掳C (248-302掳F).
* The TCM temperature parameter has changed by less than 2.0掳C (3.6掳F) in 100 seconds.
* The Trans. Fluid Temp. parameter is greater than 70掳C (158掳F).
* The Trans. Fluid Temp. parameter has increased by 55掳C (99掳F) since startup.
P0667 - Fail Case 3
The TCM temperature parameter changes by greater than or equal to 20掳C (36掳F) 14 times over 7 seconds.
P0668
The TCM temperature is parameter greater than or equal to 161掳C (321掳F) for greater than 10 seconds.
P0669
The TCM temperature parameter is less than or equal to -61掳C (-77掳F) for greater than 10 seconds.
Action Taken When the DTC Sets
DTCs P0667, P0668, and P0669 are Type B DTCs.
Conditions for Clearing the DTC
DTCs P0667, P0668, and P0669 are Type B DTCs.
Diagnostic Aids
This DTC may be set due to an overheating condition. The system is operating normally when the Trans. Fluid Temp. parameter is within 10掳C (18
掳F) of the TCM temperature parameter.
Reference Information
Schematic Reference
Automatic Transmission Controls Schematics (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Diagrams)
Connector End View Reference
Component Connector End Views (See: Diagrams/Connector Views)
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Monday, February 24, 2020
2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 2596
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