P163D GMC Code - Glow Plug Control Module Secondary Circuit
Quick Answer
The Glow Plug Control Module (GPCM) has the ability to perform internal diagnostics for the voltage and output state of the glow plugs. Common causes include Faulty Glow Plug Control Module, Glow Plug Control Module harness is open or shorted, Glow Plug Control Module 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
- P163D GMC indicates Glow Plug Control Module Secondary Circuit.
- Common causes
- Common causes include Faulty Glow Plug Control Module, Glow Plug Control Module harness is open or shorted, Glow Plug Control Module 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 P163D GMC Description
What are the Possible Causes of the DTC P163D GMC?
- Faulty Glow Plug Control Module
- Glow Plug Control Module harness is open or shorted
- Glow Plug Control Module circuit poor electrical connection
How to Fix the DTC P163D GMC?
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 P163D GMC 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.
Need more information about the P163D GMC code?
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Frequently Asked Questions about P163D GMC Code
1. What are the common symptoms of OBDII code P163D GMC?
The common symptoms of OBDII code P163D GMC, also known as Glow Plug Control Module Secondary Circuit, include hard starting, misfires, rough idling, and a decrease in fuel efficiency.
2. What can cause the Glow Plug Control Module Secondary Circuit code P163D in a GMC vehicle?
Potential causes of the P163D code in a GMC vehicle include a faulty glow plug control module, damaged wiring or connectors, a defective glow plug, or issues with the vehicle's electrical system.
3. How can I diagnose the Glow Plug Control Module Secondary Circuit issue in my GMC vehicle?
Diagnosing the P163D code typically involves using a diagnostic scanner to retrieve the trouble codes, inspecting the glow plug control module and related components for any visible damage, and testing the circuitry for continuity and proper voltage.
4. Can I still drive my GMC vehicle with the P163D trouble code present?
It is not recommended to drive your GMC vehicle with the P163D trouble code, as it can lead to poor engine performance, reduced fuel efficiency, and potential damage to the vehicle's components. It is advisable to address the issue promptly.
5. How do I repair the Glow Plug Control Module Secondary Circuit problem in my GMC vehicle?
Repairing the P163D code may involve replacing the faulty glow plug control module, repairing any damaged wiring or connectors, replacing defective glow plugs, and ensuring proper electrical connections.
6. Are there any preventive maintenance tips to avoid the Glow Plug Control Module Secondary Circuit issue?
To prevent the P163D code from occurring, it is recommended to follow the manufacturer's recommended maintenance schedule, regularly inspect the glow plug system for any signs of wear or damage, and address any electrical issues promptly.
7. Can a DIY enthusiast fix the Glow Plug Control Module Secondary Circuit problem in a GMC vehicle?
While some enthusiasts may have the skills to diagnose and repair the P163D code, it is recommended to consult a qualified mechanic or technician for proper diagnosis and repair to ensure the issue is resolved correctly.
8. Will resetting the OBDII system clear the P163D trouble code?
Resetting the OBDII system may temporarily clear the P163D trouble code, but if the underlying issue is not addressed, the code is likely to reappear once the vehicle is driven and the system performs its self-checks.
9. How long does it take to repair the Glow Plug Control Module Secondary Circuit issue in a GMC vehicle?
The time required to repair the P163D code can vary depending on the exact cause of the issue, the availability of parts, and the skill level of the technician. In general, the repair process may take a few hours to complete.
10. Is the Glow Plug Control Module Secondary Circuit issue covered under warranty for GMC vehicles?
The coverage of the P163D code under warranty depends on the vehicle's age, mileage, and warranty terms. It is recommended to consult your GMC dealership or refer to your vehicle's warranty documentation for specific coverage details.
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