P1008 2014 Chevrolet Silverado Code - Engine Coolant Bypass Valve Command Signal Message Counter Incorrect
Quick Answer
Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Common causes include Faulty Engine Coolant Bypass Valve, Engine Coolant Bypass Valve harness is open or shorted, Engine Coolant Bypass Valve circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1008 2014 Chevrolet Silverado indicates Engine Coolant Bypass Valve Command Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty Engine Coolant Bypass Valve, Engine Coolant Bypass Valve harness is open or shorted, Engine Coolant Bypass Valve circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1008 2014 Chevrolet Silverado Description
What are the Possible Causes of the DTC P1008 2014 Chevrolet Silverado?
- Faulty Engine Coolant Bypass Valve
- Engine Coolant Bypass Valve harness is open or shorted
- Engine Coolant Bypass Valve circuit poor electrical connection
How to Fix the DTC P1008 2014 Chevrolet Silverado?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1008 2014 Chevrolet Silverado code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P1008 2014 Chevrolet Silverado Code
1. What does the OBDII code P1008 mean on a 2014 Chevrolet Silverado?
P1008 indicates an issue with the Engine Coolant Bypass Valve Command Signal, specifically that the message counter is incorrect or out of range.
2. What are the common symptoms of code P1008?
Symptoms may include an illuminated Check Engine Light, engine overheating, poor heater performance, or irregular engine temperature readings.
3. What causes the P1008 code to appear?
Common causes include a faulty engine coolant bypass valve, wiring or connector issues, a malfunctioning powertrain control module (PCM), or software glitches.
4. How can I diagnose the P1008 code on my Silverado?
Start by inspecting the coolant bypass valve and its wiring for damage or loose connections. Use a scan tool to monitor live data and verify proper operation of the valve.
5. Can a faulty coolant bypass valve cause engine overheating?
Yes, a malfunctioning bypass valve can disrupt coolant flow, leading to overheating or irregular engine temperature regulation.
6. How do I fix the P1008 code on my 2014 Chevrolet Silverado?
Repairs may include replacing the coolant bypass valve, repairing damaged wiring or connectors, or reprogramming/updating the PCM if necessary.
7. Is it safe to drive with the P1008 code active?
Driving with this code is not recommended, as it can lead to engine overheating or other performance issues if the coolant flow is not properly regulated.
8. How much does it cost to repair the P1008 code?
Repair costs can range from $100 to $400 depending on whether the issue is with the bypass valve, wiring, or PCM.
9. Can a software update resolve the P1008 code?
In some cases, a PCM software update may correct the issue if it is caused by a programming error or glitch.
10. How can I prevent the P1008 code from recurring?
Regularly inspect and maintain the cooling system, ensure proper wiring connections, and address any Check Engine Light issues promptly.
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