Engine-Codes - Mercury - B129A Mercury

B129A Mercury Code - LIN Bus D Signal Invalid

- Code Popularity: 612 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code B129A Mercury?

  • Faulty Driver Side Windshield Wiper Motor
  • Driver Side Windshield Wiper Motor harness is open or shorted
  • Driver Side Windshield Wiper Motor circuit poor electrical connection
  • Faulty Body Control Module (BCM)

|How to Fix the B129A Mercury 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.

|Code B129A Mercury Tech Notes

B129A:86 LIN Bus D Signal Invalid
B129A:88 LIN Bus D Bus Off

|What is the Cost to Diagnose the Code B129A Mercury?

Labor: 1.0

The cost to diagnose the B129A Mercury 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.

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|What are Code B129A Mercury Possible Symptoms?

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

|What Does the B129A Mercury Code Mean?

The Body Control Module (BCM) monitors the Central Lock Switch Illumination Circuit. The BCM sets the OBDII code when the BCM receives invalid data from the Driver Side Windshield Wiper Motor over the LIN.

LIN Bus D Signal Invalid

|Need more Information on the B129A Mercury Code?

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|Need Help with the B129A Mercury Code?

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