P1345 GMC Code - Crankshaft Position-Camshaft Position Correlation
Quick Answer
The P1345 GMC code indicates that there is a problem with the correlation between the crankshaft position sensor and the camshaft position sensor in the engine. Common causes include Faulty crankshaft position sensor, Faulty camshaft position sensor, Wiring issues or shorts. 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
- P1345 GMC indicates Crankshaft Position-Camshaft Position Correlation.
- Common causes
- Common causes include Faulty crankshaft position sensor, Faulty camshaft position sensor, Wiring issues or shorts.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P1345 GMC Description
The P1345 GMC code indicates that there is a problem with the correlation between the crankshaft position sensor and the camshaft position sensor in the engine. These two sensors play a crucial role in the engine's operation by helping to determine the precise timing of the engine's fuel injection and ignition system. When these sensors are not in sync, it can lead to a variety of performance issues and potentially cause damage to the engine if not addressed promptly.
Common Causes of P1345 GMC
- Faulty crankshaft position sensor
- Faulty camshaft position sensor
- Wiring issues or shorts
- Timing chain or belt problems
- Engine mechanical issues
Symptoms of P1345 GMC
- Engine misfires
- Difficulty starting the engine
- Loss of power
- Rough idling
- Poor fuel efficiency
How to Fix P1345 GMC
- Diagnose the issue by using a scan tool to check for the P1345 GMC code and perform a visual inspection of the sensors and wiring.
- Replace the faulty crankshaft position sensor or camshaft position sensor as needed.
- Check and repair any wiring issues or shorts in the sensor circuit.
- Inspect the timing chain or belt for any wear or damage and replace if necessary.
- Clear the trouble code and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P1345 GMC
The cost of repairing a P1345 GMC code can vary depending on the specific cause of the issue and the labor rates in your area. On average, the cost of replacing a crankshaft position sensor or camshaft position sensor can range from $100 to $300 each, including parts and labor. If additional repairs are needed, such as fixing wiring issues or replacing the timing chain, the total cost could be higher. It's recommended to consult with a mechanic for a more accurate estimate based on your vehicle's make and model. Remember that labor rates at auto repair shops can vary, so it's a good idea to shop around for the best deal.
Tech Notes for P1345 GMC
If a P0016 or P1345 is resetting without any engine performance concerns but the above information did not isolate a cause for the DTC, replace the Cam Phaser Actuator sprocket.
1997 Chevrolet Pickup
1999 Chevrolet Tahoe
User Submitted Videos
When is the Code Detected?
Need more information about the P1345 GMC code?
Need more information on how to fix the P1345 GMC code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1345 GMC code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1345 GMC Code
No Frequently Asked Questions about P1345 GMC Code found.
Discuss the causes and fixes for P1345 GMC OBDII Code
Code P1345 GMC comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.