DTC P0657
Diagnostic Instructions
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 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
|
