P0669 OBD II Trouble Code PCM/ECM/TCM Internal Temperature Sensor Circuit High

How to easily troubleshoot and repair, and causes of a P0669 trouble code which indicates too high of electrical reading from the internal temperature sensor circuit in a PCM, ECM, or TCM module.

Symptoms of P0669 OBD II Trouble Code

Common Causes of P0669 OBD II Trouble Code

Severity of P0669 OBD II Trouble Code

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