For 1990-2009 cars only
Diagnostic Instructions
| • | Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. |
| • | Review Strategy Based Diagnosis for an overview of the diagnostic approach. |
| • | Diagnostic Procedure Instructions provides an overview of each diagnostic category. |
DTC Descriptor
DTC P0A1E: Starter/Generator Control Module Internal PerformanceCircuit/System Description
The internal fault detection is handled inside the starter/generator control module (SGCM). No external circuits are involved.
Conditions for Running the DTC
Engine ON.
Conditions for Setting the DTC
The SGCM detects an internal ECU malfunction.
Action Taken When the DTC Sets
Hybrid system disabled.
Conditions for Clearing the DTC
| • | The condition responsible for setting the DTC no longer exists. |
| • | The ignition must be cycled before the DTC can be cleared. |
Reference Information
Schematic Reference
Connector End View Reference
Description and Operation
Starter/Generator Description and Operation
Electrical Information Reference
Scan Tool Reference
Control Module References for scan tool information
Circuit/System Verification
- With a scan tool, clear the DTC.
- Cycle the ignition switch from OFF to RUN several times.
- Ignition ON, operate the vehicle within the Conditions for Running the DTC and verify the DTC does not reset.
- If the DTC resets, replace the SGCM.
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for SGCM replacement, setup, and programming
