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AutoCodes - Generic - C1729

C1729 Code - Vehicle Speed Signal

- Code Popularity: 24,178 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC C1729?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • CAN communication
  • Faulty Body Control Module (BCM)
  • Faulty Combination Meter
  • BCM/Combination Meter harness is open or shorted
  • BCM/Combination Meter circuit poor electrical connection
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How to Fix the DTC C1729?

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.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1729 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.

When is the Code Detected?

The vehicle speed signal is not being detected by the Body Control Module (BCM).

What are Code Possible Symptoms?

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

Code C1729 Description

The Body Control Module (BCM) monitors the Vehicle Speed Signal. The BCM sets the OBDII code when the Vehicle Speed Signal is not to factory specifications.

OBDII Code C1729 - Vehicle Speed Signal - AutoCodes.com
C1729 Code - Vehicle Speed Signal

Need More Information on the Code?

Need more information on how to fix the C1729 code? Get Access to Factory Service Manuals

Information for Specific Makes

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Code C1729 comments

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