DTC C172C[11] Right Tail Light Output Circuit Short to Ground (BCM)

1. DTC C172C[11] description

The BCM controls the clearance light output circuit and taillight output circuit according to the signal input from the light control switch, and it illuminates the clearance light and taillight. If the BCM detects a malfunction in the clearance light (right) output circuit or taillight (right) output circuit, the DTC is set.

2. Condition for setting DTC C172C[11]

Condition for running the DTC

  • The BCM commands the clearance light (right) and taillight (right) ON.

Condition for setting the DTC

Any of the following conditions are met:

  • The BCM detects a short to ground in the clearance light (right) output circuit for 2.5 seconds or more.
  • The BCM detects an overloading to the clearance light (right) output circuit for 2 seconds or more.
  • The BCM detects a short to ground in the taillight (right) output circuit for 2.5 seconds or more.
  • The BCM detects an overloading to the taillight (right) output circuit for 2 seconds or more.

3. Action taken when DTC C172C[11] sets

  • For models with MID, RH taillight failure is displayed.
  • The output of the clearance light (right) or taillight (right) is stopped until the next command is given.
  • Current and past failures are set.
Copyright Mazda Motor Corporation. All rights reserved.