DTC P1A4F, P1A50-P1A54, P1ADC or P1ADD
Diagnostic Instructions
DTC Descriptor
DTC P1A4F: Drive Motor 1 Control Module Not Programmed
DTC P1A50: Drive Motor 1 Control Module Random Access Memory (RAM)
DTC P1A51: Drive Motor 1 Control Module Read Only Memory (ROM)
DTC P1A52: Drive Motor 2 Control Module Not Programmed
DTC P1A53: Drive Motor 2 Control Module Random Access Memory (RAM)
DTC P1A54: Drive Motor 2 Control Module Read Only Memory (ROM)
DTC P1ADC: Drive Motor 1 Control Module Long Term Memory Performance
DTC P1ADD: Drive Motor 2 Control Module Long Term Memory Performance
Circuit/System Description
The drive motor control modules are internal to the drive motor generator power inverter module assembly and are not serviced separately. This fault is handled inside the drive motor control modules and no external circuits are involved.
Conditions for Running the DTC
| • | Ignition voltage is 8-18 V. |
Conditions for Setting the DTC
The control module has detected an internal malfunction.
Action Taken When the DTC Sets
| • | DTCs P1A4F, P1A50, P1A51, P1A52, P1A53, P1A54, P1ADC and P1ADD are Type A DTCs. |
| • | The drive motor generator power inverter module commands the battery energy control module to open the high voltage contactor relays. |
Conditions for Clearing the DTC
DTCs P1A4F, P1A50, P1A51, P1A52, P1A53, P1A54, P1ADC and P1ADD are Type A DTCs.
Reference Information
DTC Type Reference
Powertrain Diagnostic Trouble Code (DTC) Type Definitions
Circuit/System Verification
If the DTC is set, program the T6 drive motor generator power inverter module. If the DTC resets, replace the T6 drive motor generator power inverter module.
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for Drive Motor Generator Power Inverter Module replacement, set-up and programming.
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