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C00A7

4WD/AWD Transfer Case Unit Actuator Position Sensor A

Fault on transfer case actuator position sensor A.

  • Check engine light: Yes
  • Emissions related: No
  • Repair difficulty: hard

Symptoms

  • ABS warning light on
  • ESC/stability control deactivated
  • Possible reduced brake assist
  • Speedometer may behave erratically

Common causes

Ordered by how often each turns out to be the cause.

  • Sensor failedCommon

Parts involved

  • Transfer Case Actuator Pos A

C00A7 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.