Workshop Manuals Factory service & repair Vauxhall
Vauxhall Astra J19 · Transmission/Transaxle
19 · Transmission

DTC P0657

Make
Vauxhall
Model
Astra J
Section
Automatic Transmission - AF40-6 › Other Information › DTC P0657
Transmission/TransaxleDTC P0657

DTC P0657

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 P0657 00: Actuator High Control Circuit Group Malfunction

Circuit/System Description

This DTC applies to the internal 5 V reference voltage supply within the transmission control module (TCM).

Conditions for Running the DTC

•  The ignition is ON.
•  The DTCs run continuously once the above condition is met.

Conditions for Setting the DTC

P0657 00

The internal 12 V reference voltage is too low.

Action Taken When the DTC Sets

DTC P0657 is a Type C DTC.

Conditions for Clearing the DTC

DTC P0657 is a Type C DTC.

Reference Information


DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Circuit/System Testing

1. Observe the Freeze Frame/Failure Records with a scan tool.
2. Clear the DTCs with a scan tool.
3. Ignition OFF for 30 s.
4. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records.
⇒ If DTC P0657 00 is reset this ignition, replace the K71 Transmission Control Module.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

Control Module References for TCM replacement, setup and programming

Parts & tools for this job For Vauxhall Astra

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