P155C 2015 GMC Sierra Code - Cruise Control Resume/Acceleration Switch 2 Circuit
Quick Answer
The diagnostic trouble code P155C for a 2015 GMC Sierra relates to the Cruise Control Resume/Acceleration Switch 2 Circuit. Common causes include Faulty cruise control switch, Damaged or corroded wiring in the cruise control circuit, Loose or poor connections in the cruise control system. 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
- P155C 2015 GMC Sierra indicates Cruise Control Resume/Acceleration Switch 2 Circuit.
- Common causes
- Common causes include Faulty cruise control switch, Damaged or corroded wiring in the cruise control circuit, Loose or poor connections in the cruise control system.
- 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 P155C 2015 GMC Sierra Description
The diagnostic trouble code P155C for a 2015 GMC Sierra relates to the Cruise Control Resume/Acceleration Switch 2 Circuit. This code indicates that there is a malfunction in the circuit that controls the cruise control system's ability to resume or accelerate the vehicle's speed. The cruise control system allows the driver to set a desired speed for the vehicle to maintain automatically, which can improve fuel efficiency and reduce driver fatigue on long trips.
Common Causes of P155C 2015 GMC Sierra
- Faulty cruise control switch.
- Damaged or corroded wiring in the cruise control circuit.
- Loose or poor connections in the cruise control system.
- Malfunctioning electronic control module (ECM) responsible for cruise control functions.
- Water damage or exposure to moisture affecting cruise control components.
Symptoms of P155C 2015 GMC Sierra
- Inability to set or maintain a desired speed using the cruise control system.
- Cruise control system not responding to resume or acceleration commands.
- Illumination of the cruise control warning light on the dashboard.
- Erratic behavior of the vehicle's speed when cruise control is engaged.
- Possible loss of fuel efficiency due to inability to use cruise control effectively.
How to Fix P155C 2015 GMC Sierra
- Begin by conducting a thorough inspection of the cruise control switch, wiring, and connectors to identify any visible damage or issues.
- Use a multimeter to test the continuity of the cruise control switch and circuit to determine if there are any electrical faults.
- Replace the cruise control switch if it is found to be faulty, ensuring proper installation and connection.
- Repair or replace any damaged wiring or connectors in the cruise control circuit to restore proper functionality.
- If the issue persists, consult a professional mechanic to diagnose potential ECM problems and address any underlying electronic control module issues.
Cost to Fix P155C 2015 GMC Sierra
The typical repair costs for addressing the Cruise Control Resume/Acceleration Switch 2 Circuit issue can vary depending on the specific cause of the problem and the extent of repairs needed. In general, parts for this repair could range from $50 to $200, while labor costs may add an additional $100 to $300. Overall, the total cost for resolving this code could fall within the range of $150 to $500, but it's important to note that these estimates are approximate and actual costs may vary based on factors such as location, vehicle make and model, and labor rates at auto repair shops. It's recommended to obtain quotes from local shops to get a more accurate cost estimate for this repair.
Need more information about the P155C 2015 GMC Sierra code?
Need more information on how to fix the P155C 2015 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P155C 2015 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P155C 2015 GMC Sierra Code
1. What are the common symptoms of OBDII code P155C in a 2015 GMC Sierra related to the Cruise Control Resume/Acceleration Switch 2 Circuit?
- Common symptoms may include inoperative cruise control, inability to resume or accelerate using the cruise control system, and an illuminated check engine light.
2. What are the potential causes of OBDII code P155C in a 2015 GMC Sierra?
- The code P155C typically indicates a fault with the cruise control resume/acceleration switch 2 circuit, which can be caused by wiring issues, a faulty switch, or a malfunctioning cruise control module.
3. How can I diagnose the Cruise Control Resume/Acceleration Switch 2 Circuit issue causing OBDII code P155C in my 2015 GMC Sierra?
- Diagnosis involves checking the wiring and connectors related to the cruise control system, testing the cruise control switch functionality, and inspecting the cruise control module for any faults.
4. Can I still drive my 2015 GMC Sierra with OBDII code P155C present?
- It is generally safe to drive the vehicle with the code P155C, but you may experience issues with the cruise control system. It is recommended to address the problem promptly to restore full functionality.
5. How can I repair the Cruise Control Resume/Acceleration Switch 2 Circuit issue triggering OBDII code P155C in my 2015 GMC Sierra?
- Repair options include repairing or replacing damaged wiring, replacing the faulty cruise control switch, or addressing any underlying issues with the cruise control module.
6. Is it possible to reset the OBDII code P155C in a 2015 GMC Sierra without fixing the underlying issue?
- While you can clear the code using an OBDII scanner, it is crucial to address the root cause of the problem to prevent the code from reappearing.
7. How important is it to fix OBDII code P155C in a 2015 GMC Sierra related to the Cruise Control Resume/Acceleration Switch 2 Circuit?
- Resolving the code P155C is essential to ensure proper functioning of the cruise control system, which can impact convenience and potentially affect vehicle performance in certain driving conditions.
8. Can a DIY enthusiast repair the Cruise Control Resume/Acceleration Switch 2 Circuit issue causing OBDII code P155C in a 2015 GMC Sierra?
- Depending on your skill level and access to tools, DIY repair of the cruise control switch circuit is possible, but it may require some electrical knowledge and troubleshooting skills.
9. Are there any common mistakes to avoid when attempting to fix OBDII code P155C in a 2015 GMC Sierra?
- Common mistakes include overlooking simple wiring issues, misdiagnosing the problem without proper testing, or ignoring related components like the cruise control module.
10. How long does it typically take to repair the Cruise Control Resume/Acceleration Switch 2 Circuit issue triggering OBDII code P155C in a 2015 GMC Sierra?
- The repair time can vary based on the exact cause of the problem and your experience level. Simple fixes like repairing a wire may take less time compared to replacing a faulty switch or module.
Discuss the causes and fixes for P155C 2015 GMC Sierra OBDII Code
Code P155C 2015 GMC Sierra 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.