P155C Buick Code - Cruise Control Resume/Acceleration Switch 2 Circuit
Quick Answer
The Cruise Control Switch is an input to the Body Control Module (BCM). Common causes include Faulty Cruise Control Switch, Cruise Control Switch harness is open or shorted, Cruise Control Switch 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
- P155C Buick indicates Cruise Control Resume/Acceleration Switch 2 Circuit.
- Common causes
- Common causes include Faulty Cruise Control Switch, Cruise Control Switch harness is open or shorted, Cruise Control Switch 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 P155C Buick Description
What are the Possible Causes of the DTC P155C Buick?
- Faulty Cruise Control Switch
- Cruise Control Switch harness is open or shorted
- Cruise Control Switch circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC P155C Buick?
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 P155C Buick 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.
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Frequently Asked Questions about P155C Buick Code
1. What does the OBDII code P155C mean for a Buick?
P155C indicates a problem with the Cruise Control Resume/Acceleration Switch 2 Circuit, typically related to the cruise control system not functioning properly.
2. What are common symptoms of the P155C code in a Buick?
Symptoms may include the cruise control not engaging, failing to accelerate or resume speed, or an illuminated check engine light.
3. What causes the P155C code to appear?
Possible causes include a faulty cruise control switch, damaged wiring or connectors in the switch circuit, or an issue with the body control module (BCM).
4. Can I still drive my Buick with the P155C code?
Yes, the vehicle is usually safe to drive, but cruise control functionality may be compromised until the issue is resolved.
5. How do I diagnose the P155C code in my Buick?
Begin by inspecting the cruise control switch and related wiring for damage. Then, use a scan tool to monitor the switch signals and verify if the circuit is operating correctly.
6. How can I fix the P155C code in a Buick?
Repairs may include replacing a faulty cruise control switch, repairing damaged wiring or connectors, or reprogramming or replacing the BCM if necessary.
7. How much does it cost to fix a P155C code?
Repair costs vary, but replacing a cruise control switch typically costs between $100 and $300, including parts and labor.
8. Can a blown fuse cause the P155C code?
While uncommon, a blown fuse related to the cruise control system could potentially trigger this code. Check all relevant fuses as part of the diagnosis.
9. Will clearing the code fix the P155C issue?
Clearing the code may temporarily turn off the check engine light, but the issue will return if the underlying problem isn’t resolved.
10. Can a P155C code affect other systems in my Buick?
While it primarily affects cruise control, it could indicate broader electrical issues if related wiring or modules are also impacted.
Discuss the causes and fixes for P155C Buick OBDII Code
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