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AutoCodes - Generic - B1421

B1421 Code - Passenger Power Window Motor Circuit Short To Ground

- Code Popularity: 20,513 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC B1421?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Passenger Power Window Motor
  • Passenger Power Window Motor harness is open or shorted
  • Passenger Power Window Motor circuit poor electrical connection
  • Faulty Body Control Module (BCM)
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How to Fix the DTC B1421?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1421 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

Code B1421 Description

The Body Control Module (BCM) monitors the Passenger Power Window Motor. The BCM sets the OBDII code when the Passenger Power Window Motor is not to factory specifications.

OBDII Code B1421 - Passenger Power Window Motor Circuit Short To Ground - AutoCodes.com
B1421 Code - Passenger Power Window Motor Circuit Short To Ground

Need More Information on the Code?

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Information for Specific Makes

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Code B1421 comments

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