C1242 Chevrolet Code - Pump Motor Circuit Open
Quick Answer
The system relay is energized when the ignition is ON. Common causes include Faulty Brake Pressure Modulator Valve (BPMV), Brake Pressure Modulator Valve (BPMV) harness is open or shorted, Brake Pressure Modulator Valve (BPMV) 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
- C1242 Chevrolet indicates Pump Motor Circuit Open.
- Common causes
- Common causes include Faulty Brake Pressure Modulator Valve (BPMV), Brake Pressure Modulator Valve (BPMV) harness is open or shorted, Brake Pressure Modulator Valve (BPMV) 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 C1242 Chevrolet Description
- Transfers brake fluid from the brake calipers to the master cylinder reservoir during pressure decrease events
- Transfers brake fluid from the master cylinder reservoir to the brake calipers during pressure increase events
What are the Possible Causes of the DTC C1242 Chevrolet?
- Faulty Brake Pressure Modulator Valve (BPMV)
- Brake Pressure Modulator Valve (BPMV) harness is open or shorted
- Brake Pressure Modulator Valve (BPMV) circuit poor electrical connection
- Faulty Electronic Brake Control Module (EBCM)
How to Fix the DTC C1242 Chevrolet?
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 C1242 Chevrolet 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 C1242 Chevrolet Code
1. What are the common symptoms of OBDII code C1242 on a Chevrolet related to the Pump Motor Circuit Open?
The common symptoms of OBDII code C1242 on a Chevrolet include the ABS warning light illuminating on the dashboard, potential loss of ABS functionality, and unusual braking behavior.
2. What are some possible causes of the Pump Motor Circuit Open OBDII code C1242 on a Chevrolet?
Possible causes of the C1242 code on a Chevrolet include a faulty ABS pump motor, damaged wiring or connectors in the ABS system, a blown fuse related to the ABS system, or a malfunctioning ABS control module.
3. How can I diagnose the Pump Motor Circuit Open OBDII code C1242 on my Chevrolet?
To diagnose the C1242 code on a Chevrolet, you can start by checking the ABS fuse, inspecting the wiring and connectors in the ABS system for damage, testing the ABS pump motor for proper functioning, and using a diagnostic scanner to retrieve and clear the trouble code.
4. Is it safe to drive my Chevrolet with the Pump Motor Circuit Open OBDII code C1242 present?
It is not recommended to drive your Chevrolet with the C1242 code present, as it may indicate a problem with the ABS system that could compromise your vehicle's braking performance and safety.
5. How can I repair the Pump Motor Circuit Open OBDII code C1242 on my Chevrolet?
To repair the C1242 code on a Chevrolet, you may need to replace the ABS pump motor, repair any damaged wiring or connectors in the ABS system, ensure the ABS fuse is intact, or replace the ABS control module if necessary.
6. Can a DIY enthusiast fix the Pump Motor Circuit Open OBDII code C1242 on a Chevrolet?
While some basic troubleshooting steps can be performed by a DIY enthusiast, diagnosing and repairing the C1242 code may require advanced knowledge and specialized tools, so it is recommended to consult a professional mechanic for accurate diagnosis and repair.
7. Will resetting the trouble codes make the Pump Motor Circuit Open OBDII code C1242 disappear permanently?
Resetting the trouble codes may temporarily clear the C1242 code, but if the underlying issue causing the code is not addressed and fixed, the code is likely to reappear after some driving cycles.
8. How long does it typically take to repair the Pump Motor Circuit Open OBDII code C1242 on a Chevrolet?
The time it takes to repair the C1242 code on a Chevrolet can vary depending on the exact cause of the issue, the availability of parts, and the expertise of the mechanic. It may range from a few hours to a full day in some cases.
9. Are there any recalls or technical service bulletins related to the Pump Motor Circuit Open OBDII code C1242 on Chevrolet vehicles?
Recalls and technical service bulletins related to the C1242 code on Chevrolet vehicles can vary by model and year. It is recommended to check with a Chevrolet dealership or visit the manufacturer's website to see if there are any relevant recalls or bulletins for your specific vehicle.
10. Can the Pump Motor Circuit Open OBDII code C1242 on a Chevrolet be triggered by other underlying issues not related to the ABS system?
While the C1242 code is specifically related to the ABS system, other underlying issues such as electrical problems, sensor malfunctions, or communication errors within the vehicle's network can potentially trigger this code as well.
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