Engine-Codes - Mercury - B113C Mercury

B113C Mercury Code - Rear Audio Switch Circuit Short to Battery

- Code Popularity: 570 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
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What are the Possible Causes of the DTC B113C 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 Rear Audio Switch
  • Rear Audio Switch harness is open or shorted
  • Rear Audio Switch circuit poor electrical connection
  • Faulty Rear Audio and Temperature Control (RATC) Module
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How to Fix the DTC B113C Mercury?

Check 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 pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the B113C Mercury code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

What Does the B113C Mercury Code Mean?

The Rear Audio and Temperature Control (RATC) Module receives voltage and ground through the circuit. The RATC module receives input from the rear auxiliary audio controls through the circuit. It then sends these signals to the audio unit over the Audio Corporate Protocol (ACP) network through circuits. The RATC module sets the OBDII code when a short to voltage is detected on the circuitry between the RATC module and the rear auxiliary audio switch.

B113C Mercury Code - Rear Audio Switch Circuit Short to Battery

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