C1901 Code - Ride Control Right Rear Shock Actuator Circuit Failure
Quick Answer
The Air Suspension Module monitors the Ride Control Right Rear Shock Actuator. Common causes include Faulty Ride Control Right Rear Shock Actuator, Ride Control Right Rear Shock Actuator harness is open or shorted, Ride Control Right Rear Shock Actuator 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
- C1901 indicates Ride Control Right Rear Shock Actuator Circuit Failure.
- Common causes
- Common causes include Faulty Ride Control Right Rear Shock Actuator, Ride Control Right Rear Shock Actuator harness is open or shorted, Ride Control Right Rear Shock Actuator 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 C1901 Description
What are the Possible Causes of the DTC C1901?
- Faulty Ride Control Right Rear Shock Actuator
- Ride Control Right Rear Shock Actuator harness is open or shorted
- Ride Control Right Rear Shock Actuator circuit poor electrical connection
- Faulty Air Suspension Module
How to Fix the DTC C1901?
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 C1901 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
- C1901 Ford — Ride Control Right Rear Shock Actuator Circuit Failure
- C1901 Lexus — Rear Magnetic Pole Sensor Initialization Incomplete
- C1901 Lincoln — Ride Control Right Rear Shock Actuator Circuit Failure
- C1901 Mercury — Ride Control Right Rear Shock Actuator Circuit Failure
- C1901 Toyota — Rear Magnetic Pole Sensor Initialization Incomplete
Frequently Asked Questions about C1901 Code
1. What are the common symptoms of OBDII code C1901 (Ride Control Right Rear Shock Actuator Circuit Failure)?
- Common symptoms include a noticeable decrease in ride quality, uneven handling, and potential warnings on the dashboard related to the suspension system.
2. What are the possible causes of OBDII code C1901?
- The code C1901 can be triggered by issues such as a faulty right rear shock actuator, damaged wiring or connectors in the circuit, or a malfunctioning suspension control module.
3. How can I diagnose the cause of OBDII code C1901?
- To diagnose the issue, you can start by checking the wiring and connectors related to the right rear shock actuator, testing the shock actuator itself, and scanning the suspension control module for any fault codes.
4. Can I still drive my vehicle with OBDII code C1901 present?
- It is not recommended to drive your vehicle with OBDII code C1901 present, as it can affect the handling and performance of your vehicle. It's best to address the issue promptly.
5. How can I repair OBDII code C1901?
- Repairing OBDII code C1901 may involve replacing the right rear shock actuator, repairing or replacing damaged wiring or connectors, and resetting the fault code using a diagnostic tool.
6. Will OBDII code C1901 cause my vehicle to fail an emissions test?
- OBDII code C1901 is related to the ride control system and may not directly impact emissions. However, it is still important to address the issue to maintain overall vehicle performance.
7. Is OBDII code C1901 a common problem in certain vehicle makes and models?
- OBDII code C1901 can be more common in vehicles equipped with advanced ride control systems, such as certain luxury vehicles or those with active suspension systems.
8. Can a DIY enthusiast fix OBDII code C1901 at home?
- Depending on your level of automotive repair experience and access to tools, some DIY enthusiasts may be able to diagnose and repair OBDII code C1901. However, complex electrical issues may require professional assistance.
9. How much does it typically cost to repair OBDII code C1901 at a mechanic or dealership?
- The cost of repairing OBDII code C1901 can vary depending on the specific cause of the issue, the labor rates of the mechanic or dealership, and the cost of any replacement parts needed. It's advisable to obtain quotes from multiple sources.
10. What are the long-term consequences of ignoring OBDII code C1901?
- Ignoring OBDII code C1901 can lead to further damage to the suspension system, decreased ride comfort, and potentially unsafe driving conditions. It's best to address the issue promptly to prevent additional problems.
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