C1147 Infiniti Code - Switch-Over Solenoid Valve Line USV
Quick Answer
VDC Switch-Over Solenoid Valve (USV) (Cut Valve): The cut valve shuts off the normal brake fluid path from the master cylinder when VDC/TCS is activated. Common causes include Faulty ABS Actuator And Electric Unit, ABS Actuator And Electric Unit harness is open or shorted, ABS Actuator And Electric Unit 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
- C1147 Infiniti indicates Switch-Over Solenoid Valve Line USV.
- Common causes
- Common causes include Faulty ABS Actuator And Electric Unit, ABS Actuator And Electric Unit harness is open or shorted, ABS Actuator And Electric Unit 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 C1147 Infiniti Description
What are the Possible Causes of the DTC C1147 Infiniti?
- Faulty ABS Actuator And Electric Unit
- ABS Actuator And Electric Unit harness is open or shorted
- ABS Actuator And Electric Unit circuit poor electrical connection
How to Fix the DTC C1147 Infiniti?
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 C1147 Infiniti 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 C1147 Infiniti Code
1. What does the OBDII code C1147 mean for an Infiniti?
C1147 refers to a malfunction in the Switch-Over Solenoid Valve Line (USV), often linked to the brake or ABS system.
2. What are common symptoms of code C1147 in an Infiniti?
Symptoms may include ABS or brake warning lights, reduced braking performance, or erratic traction control behavior.
3. What causes code C1147 to appear?
This code is typically caused by a faulty switch-over solenoid valve, damaged wiring, poor electrical connections, or issues in the ABS module.
4. Can I still drive my Infiniti with code C1147 present?
Driving may be possible, but brake system performance could be compromised, so it’s best to address the issue promptly for safety.
5. How do I diagnose code C1147 on my Infiniti?
Use an OBDII scanner to confirm the code, inspect the switch-over solenoid valve, and check related wiring and connections for damage or corrosion.
6. Is code C1147 specific to certain Infiniti models?
Yes, this code is most common in Infiniti models equipped with advanced braking or traction control systems.
7. How can I fix code C1147 in an Infiniti?
Repairs may involve replacing the switch-over solenoid valve, repairing damaged wiring, or addressing issues in the ABS control module.
8. How much does it cost to repair code C1147 on an Infiniti?
Repair costs vary but may range from $150 to $500 depending on parts and labor required.
9. Can a weak battery cause code C1147 in an Infiniti?
Yes, a weak or failing battery can contribute to electrical issues that trigger this code.
10. Do I need to reprogram the ABS module after fixing code C1147?
In some cases, ABS module reprogramming or resetting may be required after repairs to clear the code completely.
Discuss the causes and fixes for C1147 Infiniti OBDII Code
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