C0161 - ABS/TCS Brake Switch Circuit Malfunction

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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C0161 Possible Causes

  • Faulty ABS/TCS Brake Switch (Stop Lamp Switch)
  • ABS/TCS Brake Switch harness is open or shorted
  • ABS/TCS Brake Switch circuit poor electrical connection

First diagnose C0161 code

    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's pins.

Cost of diagnosing the C0161 code

    Labor: 1.0

    The cost of diagnosing the C0161 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

C0161 Possible Symptoms

  • Anti-Lock Brake System (ABS) Warning Light ON
  • Engine Light ON (or Service Engine Soon Warning Light)

C0161 Description

The Stop lamp Switch is a normally open switch, when the brake pedal is depressed the Electronic Brake Control Module (EBCM) will sense battery voltage. This allows the EBCM to determine the state of the brake lamps.
OBDII Code C0161 - ABS/TCS Brake Switch Circuit Malfunction - AutoCodes.com

C0161 More Information

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