C1142 Infiniti Code - Brake Fluid Pressure Sensor Circuit
Quick Answer
The C1142 Infiniti code indicates a problem with the brake fluid pressure sensor circuit in the vehicle. Common causes include Faulty brake fluid pressure sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or contamination in the sensor circuit. 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
- C1142 Infiniti indicates Brake Fluid Pressure Sensor Circuit.
- Common causes
- Common causes include Faulty brake fluid pressure sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or contamination in the sensor circuit.
- 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.
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Code C1142 Infiniti Description
The C1142 Infiniti code indicates a problem with the brake fluid pressure sensor circuit in the vehicle. This sensor is responsible for monitoring the hydraulic pressure in the brake system, which is crucial for ensuring proper brake function. When this sensor circuit malfunctions, it can lead to issues with the vehicle's braking system, potentially compromising safety.
Common Causes of C1142 Infiniti
- Faulty brake fluid pressure sensor
- Damaged wiring or connectors in the sensor circuit
- Corrosion or contamination in the sensor circuit
- ABS control module malfunction
- Low brake fluid level or contaminated brake fluid
Symptoms of C1142 Infiniti
- Illumination of the ABS warning light on the dashboard
- Increased stopping distance when applying the brakes
- Inconsistent brake pedal feel, such as sponginess or stiffness
- ABS system engaging unnecessarily or not engaging when needed
- Loss of traction control or stability control features
How to Fix C1142 Infiniti
- Diagnose the issue by using a scan tool to retrieve the specific fault codes and inspecting the brake fluid pressure sensor and circuit for any visible damage.
- Test the brake fluid pressure sensor using a multimeter to check for proper resistance and voltage readings.
- Replace the faulty brake fluid pressure sensor if it is determined to be the cause of the issue.
- Inspect and repair any damaged wiring or connectors in the sensor circuit.
- Flush and replace the brake fluid if it is contaminated or low, as this can affect the performance of the ABS system.
Cost to Fix C1142 Infiniti
The cost of repairing a C1142 Infiniti code related to the brake fluid pressure sensor circuit can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay anywhere from $200 to $500 for parts and labor. Keep in mind that additional diagnostics or repairs may be needed, so it's best to consult with a certified mechanic for a more accurate estimate. Remember that labor rates can range from $80 to $150 per hour, so the total cost may vary based on your location and the auto repair shop you choose.
Tech Notes for C1142 Infiniti
There is a Factory Service Bulletin for the following Infiniti models:
2007–2008 Infiniti G35 Sedan
2007 G35 Infiniti Coupe
2009 G37 Infiniti Sedan
2008–2009 Infiniti G37 Coupe
2006–2009 Infiniti M35/M45
Infiniti Factory Service Bulletin OBDII Code C1142
When is the Code Detected?
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Frequently Asked Questions about C1142 Infiniti Code
1. What does the OBDII code C1142 mean for an Infiniti?
C1142 indicates a problem with the brake fluid pressure sensor circuit, which monitors hydraulic pressure in the braking system.
2. What are the common symptoms of code C1142 in an Infiniti?
Symptoms may include the ABS or brake warning light turning on, reduced braking performance, and in some cases, a spongy or unresponsive brake pedal.
3. What causes the C1142 code to appear?
Common causes include a faulty brake fluid pressure sensor, damaged wiring or connectors in the sensor circuit, or issues with the ABS control module.
4. Can I drive my Infiniti with a C1142 code?
Driving with this code is not recommended, as it could indicate compromised braking performance, which is a safety risk.
5. How do I diagnose the C1142 code?
Start by checking the brake fluid pressure sensor and its wiring for damage or corrosion, and use a scan tool to verify sensor readings and ABS module performance.
6. How do I fix the C1142 code on my Infiniti?
Repairs may involve replacing the brake fluid pressure sensor, repairing damaged wiring or connectors, or in rare cases, reprogramming or replacing the ABS control module.
7. How much does it cost to repair the C1142 code?
Repair costs vary but can range from $150 to $500, depending on whether the sensor, wiring, or ABS module needs attention.
8. Can low brake fluid cause the C1142 code?
Low brake fluid alone is unlikely to trigger this specific code but can lead to related braking issues. Check and maintain proper brake fluid levels.
9. Does clearing the C1142 code with a scan tool fix the problem?
Clearing the code won't fix the underlying issue. The root cause must be diagnosed and repaired to prevent the code from returning.
10. Is the C1142 code related to the ABS system?
Yes, this code is linked to the ABS system since the brake fluid pressure sensor is a critical component of ABS functionality.
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