B1428 Cadillac 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 Cadillac 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 Cadillac Description
What are the Possible Causes of the DTC B1428 Cadillac?
- 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 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 B1428 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 B1428 Cadillac Code
1. What are common symptoms of OBDII code B1428 in a Cadillac related to the Ignition Switched Power Run/Crank Relay Circuit?
Symptoms may include intermittent starting issues, failure of the vehicle to crank, and the engine stalling while driving.
2. What are possible causes of OBDII code B1428 in a Cadillac?
Potential causes include a faulty ignition switch, a malfunctioning relay, wiring issues, or a defective control module.
3. How can I diagnose the Ignition Switched Power Run/Crank Relay Circuit issue in my Cadillac?
You can start by checking the ignition switch for proper operation, testing the relay for functionality, inspecting the wiring for any damage, and using a diagnostic scanner to read the trouble codes.
4. Can a DIY enthusiast repair OBDII code B1428 related to the Ignition Switched Power Run/Crank Relay Circuit?
Depending on your experience and tools available, you may be able to replace a faulty relay or ignition switch yourself. However, complex wiring issues or control module problems may require professional assistance.
5. Are there any quick tips to troubleshoot OBDII code B1428 in a Cadillac?
You can start by checking the battery voltage, ensuring the ignition switch is functioning correctly, inspecting the fuses related to the ignition system, and testing the relay for proper operation.
6. Will driving with OBDII code B1428 in a Cadillac cause further damage?
Continuing to drive with this issue may lead to more severe starting problems, potential stalling while driving, and a higher risk of being stranded due to an inoperable vehicle.
7. How much does it typically cost to repair OBDII code B1428 in a Cadillac?
The cost of repair can vary depending on the underlying cause of the issue. Simple fixes like replacing a relay may cost around $50-$200, while more complex problems involving the control module can be more expensive.
8. Can resetting the OBDII system clear the B1428 code related to the Ignition Switched Power Run/Crank Relay Circuit?
While clearing the code may temporarily turn off the check engine light, it will not fix the underlying issue causing the code to trigger. It's essential to diagnose and repair the problem to prevent it from reoccurring.
9. Is OBDII code B1428 in a Cadillac a common issue?
While not as common as some other OBDII codes, problems related to the Ignition Switched Power Run/Crank Relay Circuit can occur in Cadillacs, especially in older vehicles or those with high mileage.
10. How long does it usually take to repair OBDII code B1428 in a Cadillac?
The repair time can vary depending on the complexity of the issue. Simple fixes like replacing a relay may take around 1-2 hours, while diagnosing and repairing wiring issues or control module problems can take longer.
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