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B129F Mercury Code - Function LED Semi-Automatic Advanced Parallel Park Circuit Short

- Code Popularity: 828 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC B129F Mercury?

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 Enable/Disable Switch Semiautomatic Advanced Parallel Park Actuator
  • Enable/Disable Switch Semiautomatic Advanced Parallel Park Actuator harness is open or shorted
  • Enable/Disable Switch Semiautomatic Advanced Parallel Park Actuator circuit poor electrical connection
  • Faulty Body Control Module (BCM)
⚠ Does your Mercury have Safety Recalls? → Check here

How to Fix the DTC B129F Mercury?

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.

Code Tech Notes

B129F:11 Function LED Semi-Automatic Advanced Parallel Park Circuit Short To Ground
B129F:12 Function LED Semi-Automatic Advanced Parallel Park Circuit Short To Battery

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B129F Mercury 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 B129F Mercury Description

The Body Control Module (BCM) monitors the Central Lock Enable/Disable Switch Semiautomatic Advanced Parallel Park Actuator. The BCM sets the OBDII code when the Enable/Disable Switch Semiautomatic Advanced Parallel Park Actuator is not to factory specifications.

OBDII Code B129F Mercury - Function LED Semi-Automatic Advanced Parallel Park Circuit Short - AutoCodes.com
B129F Mercury Code - Function LED Semi-Automatic Advanced Parallel Park Circuit Short

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Code B129F Mercury comments

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