Answer
Mar 14, 2024 - 12:57 PM
Hi there,
The most common causes of the trouble code P0642 are malfunctioning sensor, bad or blown fuses or fusible links, circuit issues, and issues with the PCM. The symptoms that often accompany the P0642 code include an illuminated check engine light and various engine and transmission problems such as a no-start condition or rough running. Symptoms will depend on the affected sensors. The code specifically stands for "sensor reference voltage A circuit low.
Click this link for more specific details about this problem from our Auto Repair 101 blog online resource. I hope this helps!
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