P0A1E
DTC P0A1E
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (Initial Inspection and Diagnostic Overview) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (Initial Inspection and Diagnostic Overview) for an overview of the diagnostic approach.
* Diagnostic Procedure Instructions (Initial Inspection and Diagnostic Overview) provides an overview of each diagnostic category.
DTC Descriptor
DTC P0A1E
- Starter/Generator Control Module Internal Performance
Circuit/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
Hybrid Controls Schematics (Electrical Diagrams)
Connector End View Reference
Component Connector End Views (Connector Views)
Description and Operation
Starter/Generator Description and Operation (Description and Operation)
Electrical Information Reference
* Circuit Testing (Component Tests and General Diagnostics)
* Connector Repairs (Component Tests and General Diagnostics)
* Testing for Intermittent Conditions and Poor Connections (Component Tests and General Diagnostics)
* Wiring Repairs (Component Tests and General Diagnostics)
Scan Tool Reference
Control Module References (Programming and Relearning) for scan tool information
Circuit/System Verification
Replace the SGCM.
Repair Instructions
Perform the Diagnostic Repair Verification (Verification Tests) after completing the diagnostic procedure.
Control Module References (Programming and Relearning) for SGCM replacement, setup, and programming