Engine-Codes - Generic - C0004

C0004 Code - TCS Control Channel 'B' Valve 2

- Code Popularity: 17,014 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code C0004?

  • Faulty TCS Control Channel 'B' Valve 2
  • TCS Control Channel 'B' Valve 2 harness is open or shorted
  • TCS Control Channel 'B' Valve 2 circuit poor electrical connection

|How to Fix the C0004 Code?

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 Code C0004?

Labor: 1.0

The cost to diagnose the C0004 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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|What are Code C0004 Possible Symptoms?

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

|What Does the C0004 Code Mean?

The Engine Control Module (ECM) monitors the TCS Control Channel 'B' Valve 2. The ECM sets the OBDII code when the TCS Control Channel 'B' Valve 2 is not to factory specifications.

TCS Control Channel 'B' Valve 2

|Need more Information on the C0004 Code?

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|Code C0004 Information for Specific Makes

|Need Help with the C0004 Code?

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