2010 Cadillac Truck Escalade ESV AWD V8-6.2L Page 1537
* The hybrid powertrain control module (HPCM) commands the battery energy control module (BECM) to open the high voltage contactor
relays.
Conditions for Clearing the DTC
DTC P0C19 is a Type A DTC.
Diagnostic Aids
Because the engine and drive motor 1 are joined mechanically through a planetary gear set, an engine condition that requires drive motor 1 to
consume excessive current while trying to rotate the engine may cause this DTC to set.
Reference Information
DTC Type Reference
Powertrain Diagnostic Trouble Code (DTC) Type Definitions (See: Diagnostic Trouble Code Descriptions/Powertrain Diagnostic Trouble Code
(DTC) Type Definitions)
Circuit/System Verification
1. Inspect for DTCs P0A3F, P0A40, P0A78, P0BFD, P0C01, P0C05, P0C0B, P0C17, P0C4E, P0C52, P0C53, P0C5C, P0C5D, P1AF8, P1B03,
or P1B0F.
锟斤拷If the specified DTCs are set, repair them first. Refer to Diagnostic Trouble Code (DTC) List - Vehicle (See: Diagnostic Trouble Code
Descriptions/Diagnostic Trouble Code (DTC) List - Vehicle).
2. Clear the DTC information.
3. Turn the ignition OFF for 1 minute.
4. Attempt to start the engine.
5. Retest for DTC P0C19.
Circuit/System Testing
1. Inspect for DTCs P0A3F, P0A40, P0A78, P0BFD, P0C01, P0C05, P0C0B, P0C17, P0C4E, P0C52, P0C53, P0C5C, P0C5D, P1AF8, P1B03,
or P1B0F.
锟斤拷If the specified DTCs are set, repair them first. Refer to Diagnostic Trouble Code (DTC) List - Vehicle (See: Diagnostic Trouble Code
Descriptions/Diagnostic Trouble Code (DTC) List - Vehicle).
2. Inspect for the following conditions:
Important: If a seized condition is observed, internal transmission damage may have occurred.
* Seized or binding engine
* Seized or binding accessory drive belt
锟斤拷If a seized or binding condition is observed, repair as required.
3. Attempt to drive the vehicle and retest for DTC P0C19.
锟斤拷If the DTC resets and the vehicle makes no attempt to crank the engine, program the PIM with the latest software version and recheck for
DTCs. If the DTC resets after programming or if the PIM already contains the latest software version, replace the PIM.
锟斤拷If the engine initially starts but the vehicle later stalls, replace the drive motor generator assembly.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
Drive Motor with Generator Assembly Removal - 1st Position (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Service and
Repair/Overhaul/2ML70 - Automatic Transmission/8. Drive Motor with Generator Assembly Removal - 1st Position)
P0C32
DTC P0C32
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
