P155C 2017 Chevrolet Silverado Code - Cruise Control Resume/Acceleration Switch 2 Circuit
Quick Answer
The P155C diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado refers to an issue with the Cruise Control Resume/Acceleration Switch 2 Circuit. Common causes include Faulty cruise control resume/acceleration switch 2, Wiring issues or damaged wiring harness related to the cruise control system, Malfunctioning engine control module (ECM). 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 2017 Chevrolet Silverado indicates Cruise Control Resume/Acceleration Switch 2 Circuit.
- Common causes
- Common causes include Faulty cruise control resume/acceleration switch 2, Wiring issues or damaged wiring harness related to the cruise control system, Malfunctioning engine control module (ECM).
- 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.
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Code P155C 2017 Chevrolet Silverado Description
The P155C diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado refers to an issue with the Cruise Control Resume/Acceleration Switch 2 Circuit. This code indicates that there is a malfunction in the circuit responsible for 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 and maintain it without having to constantly press the accelerator pedal. When this circuit malfunctions, it can affect the vehicle's performance by causing issues with the cruise control system's ability to adjust speed as needed.
Common Causes of P155C 2017 Chevrolet Silverado
- Faulty cruise control resume/acceleration switch 2.
- Wiring issues or damaged wiring harness related to the cruise control system.
- Malfunctioning engine control module (ECM).
- Corrosion or poor connections in the cruise control circuit.
- Issues with the cruise control buttons or controls on the steering wheel.
Symptoms of P155C 2017 Chevrolet Silverado
- Inability to resume a set speed using the cruise control system.
- Difficulty accelerating or decelerating while cruise control is engaged.
- Cruise control system not engaging at all.
- Illumination of the cruise control warning light on the dashboard.
- Erratic behavior of the cruise control system, such as sudden speed changes.
How to Fix P155C 2017 Chevrolet Silverado
- Begin by conducting a thorough inspection of the cruise control resume/acceleration switch 2 and its circuitry.
- Test the switch for proper functionality using a multimeter to check for continuity and proper voltage.
- Inspect the wiring harness for any signs of damage, corrosion, or loose connections. Repair or replace as necessary.
- Check the engine control module (ECM) for any fault codes related to the cruise control system and address any issues found.
- Clear the DTC from the vehicle's ECM using a diagnostic scan tool and test the cruise control system to ensure proper operation.
Cost to Fix P155C 2017 Chevrolet Silverado
The typical repair costs for addressing the P155C code on a 2017 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, the cost of parts for replacing a faulty cruise control switch or repairing wiring issues can range from $50 to $200. Labor costs at an auto repair shop can add an additional $100 to $300, depending on the shop's hourly rates and the complexity of the repair. Overall, the total cost for resolving this issue may fall between $150 and $500, but it's advisable to obtain a detailed estimate from a qualified mechanic based on the specific diagnosis and repair needed for your vehicle. Keep in mind that labor rates can vary based on location, vehicle make and model, and other factors, so it's recommended to check with local auto repair shops for more accurate pricing information.
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Frequently Asked Questions about P155C 2017 Chevrolet Silverado Code
1. What does the OBDII code P155C mean on a 2017 Chevrolet Silverado?
P155C indicates an issue with the Cruise Control Resume/Acceleration Switch 2 Circuit, which is part of the cruise control system responsible for resuming or accelerating the vehicle's set speed.
2. What are the common symptoms of the P155C code on a 2017 Silverado?
Common symptoms include the cruise control system not functioning, the inability to resume or accelerate the set speed, and possibly a check engine light.
3. What causes the P155C code to appear on my Chevrolet Silverado?
Potential causes include a faulty cruise control switch, damaged wiring or connectors in the switch circuit, or an issue with the vehicle's body control module (BCM).
4. Can I still drive my Silverado with the P155C code active?
Yes, you can still drive the vehicle, but the cruise control system may not function properly. It’s best to address the issue promptly to restore full functionality.
5. How do I diagnose the P155C code on a 2017 Chevrolet Silverado?
Start by inspecting the cruise control switch and its wiring for damage or loose connections. Use a diagnostic scanner to monitor the switch circuit's live data and test for continuity in the wiring.
6. How do I fix the P155C code on my Silverado?
Repairs may involve replacing the faulty cruise control switch, repairing damaged wires or connectors, or reprogramming or replacing the body control module if necessary.
7. Could a blown fuse cause the P155C code on my 2017 Silverado?
While unlikely, a blown fuse related to the cruise control system could contribute to the issue. Check the fuse box for any blown fuses and replace them if needed.
8. How much does it cost to fix the P155C code on a Chevrolet Silverado?
Repair costs vary but typically range from $100 to $300, depending on whether the issue is with the switch, wiring, or BCM, as well as labor rates.
9. Does the P155C code require a trip to the dealership?
Not necessarily. If you’re comfortable with basic diagnostics and repairs, you can fix wiring or switch issues yourself. However, BCM-related problems may require dealership tools and expertise.
10. Can the P155C code clear itself after repairs?
Yes, if the issue is resolved, the code may clear on its own after a few drive cycles. Alternatively, you can use an OBDII scanner to manually clear the code.
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