Engine-Codes - Generic - B1421

B1421 Code - Passenger Power Window Motor Circuit Short To Ground

- Code Popularity: 18,191 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the B1421 Code?

  • 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)

|How to Fix the B1421 Code?

Start by checking 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.

|What is the cost to diagnose the B1421 code?

Labor: 1.0

The cost to diagnose the B1421 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 B1421 code possible symptoms?

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

|What Does the B1421 Code Mean?

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.

Passenger Power Window Motor Circuit Short To Ground

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