P0634 — PCM/ECM/TCM Internal Temperature Sensor Circuit High

Q: What does fault code P0634 mean?

P0634 means: PCM/ECM/TCM Internal Temperature Sensor Circuit High. It is a Powertrain (engine/transmission) fault code defined by the OBD-II standard.

Q: Can I keep driving with P0634?

With P0634 you can usually drive home and book an inspection within a few days unless the car feels abnormal.

Powertrain (engine/transmission)

PCM/ECM/TCM Internal Temperature Sensor Circuit High

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Can I drive with P0634?

You can usually drive home and book an inspection within a few days.

Frequently asked questions

What does fault code P0634 mean?

P0634 means PCM/ECM/TCM Internal Temperature Sensor Circuit High.

Can I keep driving with P0634?

You can usually drive home and book an inspection within a few days.

Related fault codes

P0630 — VIN Not Programmed or Incompatible - ECM/PCM
P0631 — VIN Not Programmed or Incompatible - TCM
P0632 — Odometer Not Programmed - ECM/PCM
P0633 — Immobilizer Key Not Programmed - ECM/PCM
P0635 — Power Steering Control Circuit
P0636 — Power Steering Control Circuit Low
P0637 — Power Steering Control Circuit High
P0638 — Throttle Actuator Control Range/Performance Bank 1
P0639 — Throttle Actuator Control Range/Performance Bank 2

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