P155B Cadillac Code - Cruise Control Set/Coast 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
- P155B Cadillac indicates Cruise Control Set/Coast 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 P155B Cadillac Description
What are the Possible Causes of the DTC P155B Cadillac?
- 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 P155B Cadillac?
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 P155B Cadillac 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 P155B Cadillac Code
1. What does the OBDII code P155B on a Cadillac mean?
P155B indicates an issue with the Cruise Control Set/Coast Switch 2 Circuit, which is part of your vehicle's cruise control system.
2. What are the common symptoms of code P155B?
Symptoms may include the cruise control not engaging, inability to set or adjust speed, and a potential check engine light.
3. What causes the P155B code to appear?
Common causes include a faulty cruise control switch, damaged wiring or connectors in the circuit, or issues with the cruise control module.
4. Can a faulty cruise control switch trigger the P155B code?
Yes, a malfunctioning cruise control set/coast switch is a primary cause of this code.
5. How do I diagnose the P155B code?
Start by inspecting the cruise control switch, checking the wiring and connectors for damage or corrosion, and testing the circuit with a multimeter.
6. Can I still drive my Cadillac with the P155B code?
Yes, but the cruise control system may not function properly, which could be inconvenient during long drives.
7. How do you fix the P155B code on a Cadillac?
Repairs may involve replacing the cruise control switch, repairing faulty wiring, or addressing issues in the cruise control module.
8. Is the P155B code related to the throttle system?
No, this code specifically pertains to the cruise control set/coast switch circuit and not the throttle system.
9. How much does it cost to fix the P155B code?
Repair costs vary but typically range from $100 to $300, depending on whether the cruise control switch or wiring needs replacement.
10. Can a blown fuse cause the P155B code?
While uncommon, a blown fuse in the cruise control system circuit could contribute to this issue and should be checked during diagnosis.
Discuss the causes and fixes for P155B Cadillac OBDII Code
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