P155C 2016 Chevrolet Silverado Code - Cruise Control Resume/Acceleration Switch 2 Circuit
Quick Answer
The P155C diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado refers to an issue with the Cruise Control Resume/Acceleration Switch 2 Circuit. Common causes include Faulty cruise control switch, Wiring harness issues, Defective cruise control module. 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 2016 Chevrolet Silverado indicates Cruise Control Resume/Acceleration Switch 2 Circuit.
- Common causes
- Common causes include Faulty cruise control switch, Wiring harness issues, Defective cruise control module.
- 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 2016 Chevrolet Silverado Description
The P155C diagnostic trouble code (DTC) for a 2016 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 controlling 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, providing convenience and reducing driver fatigue on long trips.
Common Causes of P155C 2016 Chevrolet Silverado
- Faulty cruise control switch
- Wiring harness issues
- Defective cruise control module
- Electrical connection problems
- Corrosion or damage to components in the cruise control system
Symptoms of P155C 2016 Chevrolet Silverado
- Inability to engage or maintain cruise control
- Cruise control not responding to acceleration or resume commands
- Illumination of the cruise control warning light on the dashboard
- Fluctuations in vehicle speed while cruise control is engaged
How to Fix P155C 2016 Chevrolet Silverado
- Begin by performing a thorough inspection of the cruise control system, including the switches, wiring, and module.
- Test the cruise control switch functionality and replace if necessary.
- Check the wiring harness for any damage or corrosion, repairing or replacing as needed.
- Inspect the cruise control module for faults and replace if found to be defective.
- Clear the DTC from the vehicle's computer system and test the cruise control system to ensure proper functionality.
Cost to Fix P155C 2016 Chevrolet Silverado
The cost of repairing the Cruise Control Resume/Acceleration Switch 2 Circuit issue can vary depending on the specific cause of the problem and the labor rates in your area. On average, the parts for this repair may range from $50 to $200, while labor costs can range from $100 to $300. Overall, the total cost for resolving this issue could be between $150 and $500. It is recommended to consult with a professional mechanic to get an accurate estimate based on your vehicle's make and model, as well as the extent of the repair needed. Keep in mind that labor rates can vary, so it's advisable to shop around for the best price.
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Frequently Asked Questions about P155C 2016 Chevrolet Silverado Code
What does the OBDII code P155C mean for a 2016 Chevrolet Silverado?
P155C indicates an issue with the Cruise Control Resume/Acceleration Switch 2 Circuit, which helps manage cruise control functionality.
What are the common symptoms of code P155C in a 2016 Chevrolet Silverado?
Symptoms may include cruise control not working, inability to resume or accelerate using cruise control, and the check engine light turning on.
What causes the P155C code to appear?
Common causes include faulty cruise control resume/acceleration switch, damaged wiring or connectors in the circuit, or issues with the vehicle’s body control module (BCM).
How can you diagnose code P155C in a Chevrolet Silverado?
Start by scanning for trouble codes, inspecting the cruise control switch and wiring for damage, and testing the circuit with a multimeter to ensure proper voltage and continuity.
Can a faulty cruise control switch cause the P155C code?
Yes, a faulty cruise control resume/acceleration switch is a primary cause of this code and should be checked during diagnosis.
Is code P155C related to the vehicle's body control module (BCM)?
Yes, the BCM plays a role in interpreting signals from the cruise control system, and a malfunction in the BCM can contribute to this code.
Can you still drive your Silverado with the P155C code active?
Yes, but cruise control functionality may not work, and this could affect convenience during long drives. Always address the issue promptly to avoid further complications.
How do you fix code P155C on a 2016 Chevrolet Silverado?
Repairs may involve replacing the cruise control switch, repairing or replacing damaged wiring, or reprogramming or replacing the body control module.
Does code P155C require professional repair?
While some experienced DIY mechanics may be able to fix this code, diagnosing and repairing electrical or module issues often requires specialized tools and knowledge, so professional help may be needed.
What tools are required to diagnose and repair code P155C?
You’ll need an OBDII scanner, a multimeter for circuit testing, and potentially access to wiring diagrams or a repair manual for the vehicle.
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