DTC P0601-P0604, P0606, or P062F
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
DTC P062F 00: Control Module Long Term Memory 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 greater than 9.5 V. |
Conditions for Setting the DTC
The control module detects an internal malfunction or incomplete programming.
Action Taken When the DTC Sets
DTCs P0601, P0602, P0603, P0604, P0606, and P062F are Type A DTCs.
Conditions for Clearing the DTC
DTCs P0601, P0602, P0603, P0604, P0606, and P062F are Type A DTCs.
Diagnostic Aids
If stored only as a history DTC and not retrieved as a current DTC, do not replace the control module.
Circuit/System Verification
- Verify that DTC P0602 is not set.
| ⇒ | If the DTC P0602 is set, program the control module that set the DTC. If the DTC P0602 resets, replace the control module that set the DTC. |
- Verify that DTC P0601, P0603, P0604, P0606, or P062F is not set.
| ⇒ | If any of the DTCs are set, replace the control module that set the DTC. |
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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