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P1008 Code - Engine Coolant Bypass Valve Command Signal Message Counter Incorrect

- Code Popularity: 5,049 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1008?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Engine Coolant Bypass Valve
  • Engine Coolant Bypass Valve harness is open or shorted
  • Engine Coolant Bypass Valve circuit poor electrical connection
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How to Fix the DTC P1008?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1008 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P1008 Description

Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Operating information and commands are exchanged among the control modules. Each module on the serial data circuit maintains a transmit error counter and a receive error counter. The counter values increase with detected errors and decrease with error-free messages. The Diagnostic Trouble Code (DTC) will be set when the Engine Coolant Bypass Valve Command Signal Message Counter is Incorrect.

OBDII Code P1008 - Engine Coolant Bypass Valve Command Signal Message Counter Incorrect - AutoCodes.com
P1008 Code - Engine Coolant Bypass Valve Command Signal Message Counter Incorrect

Need More Information on the Code?

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Information for Specific Makes

  • P1008 Buick Engine Coolant Bypass Valve Command Signal Message Counter Incorrect  📷
  • P1008 Cadillac Engine Coolant Bypass Valve Command Signal Message Counter Incorrect  📷
  • P1008 Chevrolet Engine Coolant Bypass Valve Command Signal Message Counter Incorrect  📷
  • P1008 Dodge Ignition Circuit High
  • P1008 GMC Engine Coolant Bypass Valve Command Signal Message Counter Incorrect  📷
  • P1008 Volvo Throttle System Warning Signal low

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Code P1008 comments

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