2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 2718
The line pressure control solenoid is part of the control solenoid valve assembly and is not serviced separately. The line pressure control solenoid
regulates the transmission fluid line pressure when the engine is running. The transmission control module varies the current to the normally high
line pressure control solenoid valve from 0.1 amp for maximum line pressure, to 1.1 amps for minimum line pressure. This is accomplished by
varying the current in order to obtain the desired line pressure in kPa (psi).
Conditions for Running the DTC
* The engine run time is greater than 5 seconds.
* The vehicle speed is less than 200 km/h (124 mph) for 5 seconds.
* The system voltage is 11-18 volts.
P0961
DTC P0961 is not failed this ignition.
P0962
DTC P0962 is not failed this ignition.
P0963
DTC P0963 is not failed this ignition.
Conditions for Setting the DTC
P0961
The transmission control module detects an internal electrical performance malfunction of the line pressure control solenoid control circuit and the
actual line pressure does not equal the commanded line pressure for 300 milliseconds.
P0962
The transmission control module detects an internal low voltage electrical malfunction of the line pressure control solenoid control circuit for 300
milliseconds.
P0963
The transmission control module detects an internal high voltage electrical malfunction of the line pressure control solenoid control circuit for 300
milliseconds.
Action Taken When the DTC Sets
DTC P0961
* DTC P0961 is a Type B DTC.
* The transmission control module freezes transmission adaptive functions.
DTC P0962
* DTC P0962 is a Type A DTC.
* The transmission control module defaults the transmission to 3rd gear.
* The transmission control module commands maximum line pressure.
* The transmission control module freezes transmission adaptive functions.
DTC P0963
* DTC P0963 is a Type A DTC.
* The transmission control module freezes transmission adaptive functions.
Conditions for Clearing the DTC
* DTC P0961 is a Type B DTC.
* DTCs P0962 and P0963 are Type A DTCs.
Diagnostic Aids
When attempting to set solenoid electrical DTCs, ensure the transmission control module is warmed up and the transmission is operated long
enough to ensure a 3掳C (5掳F) increase in transmission control module temperature. This will place the transmission control module under the
optimal conditions to test solenoid electrical DTCs.
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Saturday, February 29, 2020
2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 2718
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