DTC P0634
DTC P0634 : Control Module Internal Temperature "A" Too High
- Before you troubleshoot, review the General Troubleshooting Information .
- This code is caused by an electrical circuit problem and cannot be caused by a mechanical problem in the transmission.
- This DTC may be stored if the air flow in front of the engine compartment was restricted.
- Drive the vehicle in this manner only if the traffic regulations and ambient conditions allow.
| DTC Description | Confirmed DTC | Pending DTC | Freeze Frame |
|---|---|---|---|
| P0634 Control Module Internal Temperature "A" Too High |
DTC (A/T)
- Problem verification
- 1. Turn the vehicle to the ON mode.
- 2. Clear the DTC with the HDS.
- 3. Test-drive the vehicle for several minutes under the same conditions as those indicated by the freeze data.
- 4. Check for Pending or Confirmed DTCs with the HDS.
DTC Description Confirmed DTC Pending DTC Freeze Frame P0634 Control Module Internal Temperature "A" Too High Is DTC P0634 indicated?
YES
The failure is duplicated. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting or substitute a known-good TCM .
NO
Intermittent failure, the system is OK at this time. Check for poor connections and loose terminals at the TCM. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot.