The OBD code B3055 for GMC indicates a problem with the key or immobilizer control module.
This affects the vehicle’s security system.
Symptoms include the Engine Light being ON.
The issue is often caused by a faulty key or immobilizer control module.
It is important to address this problem promptly to ensure the vehicle’s security system functions correctly.
A possible fix is to inspect the wiring harness, connectors, and components for any damage or corrosion.
| Repair Importance Level | 10.0 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 10.0 (Out of 10) |
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Symptoms of the Gmc b3055 OBD Code
The vehicle displays a malfunction indicator light with code GMC B3055 stored in the system.
- Symptoms: Service Theft Deterrent System message on the driver information center.
- Vehicle may not start.
- Security light may flash while driving.
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Causes of the Gmc b3055 OBD Code
Possible triggers for GMC B3055 include faulty ignition switch, damaged wiring, or defective body control module.
- B3055 can be caused by a faulty key.
- A faulty immobilizer control module.
Fixing Gmc Error Code b3055 Step By Step
To resolve GMC B3055, inspect and repair the ignition switch circuit for faults or damage.
- To fix GMC OBDII code B3055, start by reviewing the possible causes mentioned above.
- Visually examine the wiring harness and connectors related to the Body Control Module (BCM).
- Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- If no issues are found with the wiring and connectors, consider resetting the BCM by disconnecting the battery for a few minutes.
- After reconnecting the battery, check if the code returns.
- If the code persists, it may be necessary to replace the BCM with a new one and program it to the vehicle.
Cost Of Fixing Gmc b3055 Fault Code
The repair for GMC B3055 typically involves replacing the keyless entry receiver module.
The cost to diagnose and fix the GMC OBD code B3055 typically ranges from $75 to $150, with an estimated repair time of 1. 0 hour.
Costs may vary based on shop rates, complexity of the issue, and any additional parts or labor needed for the repair.
Details of the Gmc b3055 OBD Code
GMC B3055 code indicates a problem with the keyless entry system.
GMC OBD code B3055 means that there is a communication malfunction with the keyless entry system.
This code is triggered by the Body Control Module (BCM) when it detects a fault in the communication signals with the keyless entry system.
The keyless entry system allows for remote locking and unlocking of the vehicle using a key fob.
When this code is set, it indicates a problem with this system, which may require diagnosing wiring, modules, or the key fob itself.
Mechanic’s Tech Notes
Detailed information on GMC fault code B3055, including symptoms, causes, and solutions for effective troubleshooting.
OBDII code B3055 in a GMC typically indicates a communication error with the body control module (BCM).
To diagnose this, use a scan tool to check for BCM communication and module codes.
Inspect the wiring harness and connectors for any damage, corrosion, or poor connections.
Verify power and ground to the BCM using a voltmeter.
If no issues are found, consider reprogramming the BCM or replacing it if necessary.
Remember to clear the code after any repairs are made to see if it returns.
FAQ
OBD code B3055 in a GMC indicates a fault with the key or immobilizer control module. Check for damaged components and inspect wiring connectors.
Diagnose OBD code B3055 in GMC: Symptoms Engine Light ON. Causes Faulty Key, Faulty Immobilizer Control Module. Fix Inspect wiring, connectors, and components for damage.
Common symptoms of OBD code B3055 in a GMC vehicle include the Engine Light ON and possible causes are a faulty key or immobilizer control module. Fix: Inspect wiring and connectors.
Wrap Up
If your GMC is displaying OBD code B3055 and experiencing issues with the HVAC system, it could be caused by a faulty HVAC control module, a malfunctioning ambient light sensor, or a problem with the ambient light sensor circuit.
To address GMC OBD code B3055, start by checking the wiring connections and harness for any signs of damage or corrosion.
Test the ambient light sensor and its circuit for proper functionality.
If necessary, replace the ambient light sensor or repair any damaged wiring to resolve the issue.
