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Engine-Codes - Generic - B10C5

B10C5 - Trunk Unlock Pull Switch Signal Stuck High

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

B10C5 Possible Causes

What does this mean?
  • Faulty Trunk Unlock Pull Switch
  • Trunk Unlock Pull Switch harness is open or shorted
  • Trunk Unlock Pull Switch circuit poor electrical connection
  • Faulty Remote Function Actuator (RFA) Module

How is the B10C5 code repair?

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.

What is the cost to diagnose the B10C5 code

Labor: 1.0

The cost to diagnose the B10C5 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
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Possible Symptoms

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

B10C5 Meaning

The Remote Function Actuator (RFA) Module interprets radio frequency signals from the Remote Functions Receiver (RFR) Module and Intelligent Access (IA) key transmitters. The RFA module receives input signals from various modules and other components. Based on this information, the RFA module generates an output signal to control various components such as the door locks and the liftgate. The OBDII code sets when the RFA module detects a short to ground from the liftgate release switch input circuit.

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