Engine-Codes - Generic - B2129

B2129 Code - Central Lock Feedback Failure

- Code Popularity: 4,637 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code B2129?

  • Faulty Central Lock
  • Central Lock harness is open or shorted
  • Central Lock circuit poor electrical connection
  • Faulty Body Control Module (BCM)

|How to Fix the B2129 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 Code B2129?

Labor: 1.0

The cost to diagnose the B2129 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.

Does your Car have Safety Recalls? → Check here

|What are Code B2129 Possible Symptoms?

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

|What Does the B2129 Code Mean?

The Body Control Module (BCM) monitors the Central Lock Feedback. The BCM sets the OBDII code when the Central Lock Feedback is not to factory specifications.

B2129 Code - Central Lock Feedback Failure

|Need more Information on the B2129 Code?

Need more information on how to fix the B2129 code? Get Access to Factory Service Manuals

|Need Help with the B2129 Code?

Get the B2129 code diagnosed by a professional: Find a repair shop in your area