AutoCodes - Jeep - U1402 JEEP

U1402 JEEP Code - Implausible Engine Temperature Signal Received

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

|U1402 JEEP code 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 the U1402 JEEP code?

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.

|Cost of diagnosing the U1402 JEEP code

Labor: 1.0

The cost of diagnosing the U1402 JEEP 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.

|What are U1402 JEEP code possible symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|U1402 JEEP code description

The 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.
OBDII Code U1402 Jeep - Implausible Engine Temperature Signal Received -

|Need more information with the U1402 JEEP code?

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|Need help with a U1402 JEEP code?

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|U1402 JEEP code comments

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Repair Importance Level: 3
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