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OBDII Code List
 
B129A MERCURY

B129A MERCURY - LIN Bus D Signal Invalid

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • 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)

Tech notes

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

Possible symptoms

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

B129a Mercury Description

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.
OBDII Code B129a Mercury - LIN Bus D Signal Invalid - AutoCodes.com

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Related Information

B129A MERCURY Comments

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