U1402 - Implausible Engine Temperature Signal Received
U1402 Possible Causes
- Check for Powertrain Control Module (PCM) codes
- Faulty Transmission Control Module (TCM)
- Transmission Control Module (TCM) harness is open or shorted
- Transmission Control Module (TCM) circuit poor electrical connection
How do I fix code U1402?Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
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Cost of diagnosing the U1402 code
Labor: 1.0The cost of diagnosing the U1402 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
- Engine Light ON (or Service Engine Soon Warning Light)
U1402 DescriptionThe Diagnostic Trouble Code (DTC) sets when the Transmission Control Module (TCM) receives a Signal Not Available (SNA) message from the Powertrain Control Module (PCM) or an incorrect Controller Area Network (CAN) message from the PCM.
More InformationNeed more information on how to fix the U1402 code?
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