B1428 Code - Ignition Switched Power Run/Crank Relay Circuit
Quick Answer
The Body Control Module (BCM) controls the Run/Crank relay through the run/crank relay coil control circuit by applying voltage to the circuit. Common causes include Faulty Ignition Switched Power Run/Crank Relay, Ignition Switched Power Run/Crank Relay harness is open or shorted, Ignition Switched Power Run/Crank Relay 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
- B1428 indicates Ignition Switched Power Run/Crank Relay Circuit.
- Common causes
- Common causes include Faulty Ignition Switched Power Run/Crank Relay, Ignition Switched Power Run/Crank Relay harness is open or shorted, Ignition Switched Power Run/Crank Relay 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 B1428 Description
What are the Possible Causes of the DTC B1428?
- Faulty Ignition Switched Power Run/Crank Relay
- Ignition Switched Power Run/Crank Relay harness is open or shorted
- Ignition Switched Power Run/Crank Relay circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B1428?
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 B1428 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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Information for Specific Makes
- B1428 Buick — Ignition Switched Power Run/Crank Relay Circuit
- B1428 Cadillac — Ignition Switched Power Run/Crank Relay Circuit
- B1428 Chevrolet — Ignition Switched Power Run/Crank Relay Circuit
- B1428 GMC — Ignition Switched Power Run/Crank Relay Circuit
- B1428 Lexus — Rear Solar Sensor Circuit
- B1428 Toyota — Rear Solar Sensor Circuit
Frequently Asked Questions about B1428 Code
1. What are the common symptoms of OBDII code B1428?
- Common symptoms include issues with the ignition switch, failure to start the vehicle, and problems with the power run/crank relay circuit.
2. What are the possible causes of OBDII code B1428?
- The code B1428 can be triggered by a faulty ignition switch, a malfunctioning relay, damaged wiring in the circuit, or a poor connection.
3. How can I diagnose the issue related to OBDII code B1428?
- Diagnosing the problem involves checking the ignition switch operation, inspecting the relay, testing the wiring for continuity, and scanning the vehicle's computer for additional trouble codes.
4. What are the repair options for OBDII code B1428?
- Repair options include replacing the faulty ignition switch, repairing or replacing the relay, fixing damaged wiring, and ensuring all connections are secure and free of corrosion.
5. Can I drive my vehicle with OBDII code B1428?
- It is not recommended to drive the vehicle with code B1428 as it can lead to starting issues and potential safety hazards. It is best to address the problem promptly.
6. How much does it cost to repair OBDII code B1428?
- The cost of repairing OBDII code B1428 can vary depending on the specific issue, labor rates, and parts needed. It is advisable to consult a professional mechanic for an accurate estimate.
7. Are there any DIY tips for troubleshooting OBDII code B1428?
- DIY tips for troubleshooting code B1428 include checking the ignition switch for proper function, inspecting the relay for damage, and visually inspecting the wiring for any signs of wear or corrosion.
8. Can OBDII code B1428 cause other problems in the vehicle?
- Yes, if left unresolved, OBDII code B1428 can lead to further electrical issues, starting problems, and potential damage to other components in the ignition system.
9. How long does it typically take to repair OBDII code B1428?
- The repair time for OBDII code B1428 can vary depending on the specific issue and the complexity of the repair. In general, it may take a few hours to a full day to address the problem.
10. Is it necessary to reset the OBDII system after repairing code B1428?
- Yes, it is recommended to clear the OBDII system after repairing code B1428 to ensure the error code is no longer present and to monitor if the issue reoccurs.
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