DTC P0601-P0604 or P0606 - Hybrid Powertrain Control Module 2
Diagnostic Instructions
DTC Descriptors
DTC P0601 00: Control Module Read Only Memory Performance
DTC P0602 00: Control Module Not Programmed
DTC P0603 00: Control Module Long Term Memory Reset
DTC P0604 00: Control Module Random Access Memory Performance
DTC P0606 00: Control Module Processor Performance
Circuit/System Description
This diagnostic applies to internal microprocessor integrity conditions within the control module. This diagnostic also addresses if the control module is not programmed. The control module monitors its ability to read and write to the memory. It also monitors a timing function. No external circuits are involved.
Conditions for Running the DTC
| • | The system voltage is at least 7 V. |
Conditions for Setting the DTC
The control module detects an internal malfunction or incomplete programming.
Action Taken When the DTC Sets
| • | DTCsP0601, P0602, P0603, P0604, and P0606 are Type A DTCs. |
| • | The high-voltage contactor relays may open. |
Conditions for Clearing the DTC
DTCsP0601, P0602, P0603, P0604, and P0606 are Type A DTCs.
Diagnostic Aids
DTC P0606 may set in Hybrid Powertrain Control Module 2 due to other faults. Do not replace the Hybrid Powertrain Control Module 2 until other DTCs are diagnosed first.
Circuit/System Verification
Verify that DTC P0601, P0602, P0603, P0604, or P0606 is not set.
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for control module replacement, programming and setup
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