C1801 Code - Motor Current Level/Position Conflict
Quick Answer
The Electric Parking Brake Control Module (EPBCM) monitors the Parking Brake Motor. Common causes include Faulty Parking Brake Motor, Parking Brake Motor harness is open or shorted, Parking Brake Motor 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
- C1801 indicates Motor Current Level/Position Conflict.
- Common causes
- Common causes include Faulty Parking Brake Motor, Parking Brake Motor harness is open or shorted, Parking Brake Motor 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 C1801 Description
What are the Possible Causes of the DTC C1801?
- Faulty Parking Brake Motor
- Parking Brake Motor harness is open or shorted
- Parking Brake Motor circuit poor electrical connection
- Faulty Electric Parking Brake Control Module (EPBCM)
How to Fix the DTC C1801?
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 C1801 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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Information for Specific Makes
- C1801 Infiniti — Air Suspension Vehicle Height Sensor
- C1801 Jaguar — Motor Current Level/Position Conflict
- C1801 Nissan — Air Suspension Vehicle Height Sensor
Frequently Asked Questions about C1801 Code
1. What does OBDII code C1801 mean?
Code C1801 indicates a conflict in the motor current level and position detected by the control module, often associated with the steering or suspension system.
2. What are the common symptoms of code C1801?
Symptoms may include warning lights on the dashboard, erratic steering behavior, reduced power steering assist, or unusual noises from the steering or suspension system.
3. What causes OBDII code C1801?
Common causes include a faulty motor position sensor, wiring issues, a malfunctioning control module, or problems with the motor itself.
4. Can I drive with code C1801 active?
Driving with this code is not recommended, as it may affect steering or suspension performance, potentially compromising safety.
5. How is code C1801 diagnosed?
A technician will use a scan tool to read the code, inspect the motor and position sensor, and check the wiring and control module for faults.
6. What repairs can fix code C1801?
Repairs might include replacing the motor position sensor, repairing damaged wiring, updating or replacing the control module, or replacing the motor if it’s faulty.
7. How much does it cost to fix code C1801?
Repair costs vary depending on the issue but can range from $150 to $1,000, depending on whether it’s a sensor, wiring, or motor replacement.
8. Can a loose connection cause code C1801?
Yes, a loose or damaged connection in the wiring or connector to the motor or sensor can trigger this code.
9. Do I need to recalibrate the system after fixing code C1801?
In many cases, the system may need to be recalibrated or reset after repairs to ensure proper operation.
10. Can a weak battery cause code C1801?
A weak or failing battery can cause voltage fluctuations, which might contribute to triggering this code in some cases.
Discuss the causes and fixes for C1801 OBDII Code
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