C1191 Infiniti Code - Rear Out ABS Solenoid
Quick Answer
The control unit computes the wheel rotating speed by the signal sent from the sensor. Common causes include Faulty ABS Actuator/Electric Unit, ABS Actuator/Electric Unit harness is open or shorted, ABS Actuator/Electric Unit 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
- C1191 Infiniti indicates Rear Out ABS Solenoid.
- Common causes
- Common causes include Faulty ABS Actuator/Electric Unit, ABS Actuator/Electric Unit harness is open or shorted, ABS Actuator/Electric Unit 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 C1191 Infiniti Description
The ABS actuator and electric unit (control unit) contains: An electric motor and pump, Two relays, Eight solenoid valves ( each inlet and outlet for LH front, RH front, LH rear, RH rear), and ABS control unit.
These components control the hydraulic circuit that increases, holds or decreases hydraulic pressure to all or individual wheels. The ABS actuator and electric unit (control unit) cannot be disassembled and must be replaced as an assembly.
What are the Possible Causes of the DTC C1191 Infiniti?
- Faulty ABS Actuator/Electric Unit
- ABS Actuator/Electric Unit harness is open or shorted
- ABS Actuator/Electric Unit poor electrical connection
How to Fix the DTC C1191 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.
Code Tech Notes
It is much more difficult to diagnose a problem that occurs intermittently rather than continuously. Most intermittent problems are caused by poor electrical connections or faulty wiring. In this case, careful checking of suspicious circuits may help prevent the replacement of good parts.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C1191 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 C1191 Infiniti Code
What does the OBDII code C1191 mean for an Infiniti?
C1191 indicates an issue with the Rear Out ABS Solenoid circuit, which is part of the vehicle's anti-lock braking system (ABS).
What are the common symptoms of code C1191 in an Infiniti?
Symptoms may include an illuminated ABS warning light, reduced braking performance, or the ABS system not functioning properly.
What causes the C1191 code in an Infiniti?
Common causes include a faulty rear ABS solenoid, damaged wiring or connectors in the solenoid circuit, or issues with the ABS control module.
Can I drive my Infiniti with the C1191 code active?
Driving with this code active can compromise braking safety. It’s recommended to address the issue promptly to ensure proper ABS function.
How can I diagnose the C1191 code on an Infiniti?
Use an OBDII scanner to confirm the code, then inspect the rear ABS solenoid, wiring, and connectors for damage or corrosion.
What repairs are typically needed for code C1191?
Repairs may involve replacing the rear ABS solenoid, repairing damaged wiring or connectors, or reprogramming or replacing the ABS control module.
How much does it cost to fix the C1191 code on an Infiniti?
Repair costs vary but may range from $150 to $500, depending on whether the solenoid or ABS control module needs replacement.
Can a weak battery cause the C1191 code?
Yes, a weak or failing battery can cause electrical issues that may trigger ABS-related codes like C1191.
How do I reset the C1191 code after repairs?
After completing repairs, use an OBDII scanner to clear the code. If the issue is resolved, the ABS light should turn off.
Is the C1191 code specific to Infiniti vehicles?
While C1191 is common in Infiniti vehicles, similar ABS solenoid-related codes can appear in other makes with comparable systems.
Discuss the causes and fixes for C1191 Infiniti OBDII Code
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