Engine-Codes - Generic - C0003

C0003 - TCS Control Channel 'B' Valve 1

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

C0003 Possible Causes

  • Faulty TCS Control Channel 'B' Valve 1
  • TCS Control Channel 'B' Valve 1 harness is open or shorted
  • TCS Control Channel 'B' Valve 1 circuit poor electrical connection

How is the C0003 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 C0003 code

Labor: 1.0

The cost to diagnose the C0003 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
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Possible Symptoms

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

C0003 Meaning

The Engine Control Module (ECM) monitors the TCS Control Channel 'B' Valve 1. The ECM sets the OBDII code when the TCS Control Channel 'B' Valve 1 is not to factory specifications.

More Information

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Information for specific makes

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