P1008
Engine Coolant Bypass Valve Command Signal Message Counter Incorrect
P1008 is an OBD-II diagnostic trouble code meaning: Engine Coolant Bypass Valve Command Signal Message Counter Incorrect. Common causes: coolant bypass valve malfunction, problems in the valve electrical circuit. Estimated repair cost: $17–56.
Symptoms
- Unstable engine temperature
- Engine overheating
- Reduced engine efficiency
- Check Engine Light Illuminates
- Increased fuel consumption
Causes
- Coolant bypass valve malfunction
- Problems in the valve electrical circuit
- Open or short circuit in wiring harness
- Engine control unit (ECU) malfunction
- Mechanical damage to the valve
How to Fix
- Check the electrical circuit of the valve for breaks and short circuits
- Test the operation of the coolant bypass valve
- Check wiring harness for damage
- Scan the engine control unit for errors
- Replace the coolant bypass valve if necessary.
Related codes
FAQ
What does the P1008 code mean?
P1008 is an OBD-II diagnostic trouble code that indicates: Engine Coolant Bypass Valve Command Signal Message Counter Incorrect
What causes a P1008 error code?
The most common causes of P1008 include: Coolant bypass valve malfunction; Problems in the valve electrical circuit; Open or short circuit in wiring harness; Engine control unit (ECU) malfunction.
How do I fix a P1008 diagnostic trouble code?
To fix P1008: Check the electrical circuit of the valve for breaks and short circuits. Test the operation of the coolant bypass valve. Check wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1008?
Yes, but get it checked soon
How much does it cost to fix P1008?
The estimated repair cost for P1008 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat