C1904 Lincoln Code - Ride Control Right Rear Shock Actuator Circuit Short To Ground
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
- C1904 Lincoln indicates Ride Control Right Rear Shock Actuator Circuit Short To Ground.
- 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 C1904 Lincoln Description
What are the Possible Causes of the DTC C1904 Lincoln?
- 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 C1904 Lincoln?
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 C1904 Lincoln 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 C1904 Lincoln Code
What does the OBDII code C1904 mean for a Lincoln vehicle?
C1904 indicates a short to ground in the right rear shock actuator circuit, which is part of the vehicle's ride control system.
What are the common symptoms of the C1904 code?
Symptoms include a stiff or harsh ride, suspension warning light activation, and possible reduced handling performance.
What causes the C1904 code to appear?
Common causes include damaged wiring, corroded connectors, or a faulty right rear shock actuator.
How can I diagnose the C1904 code?
Start by inspecting the wiring and connectors for damage or corrosion. Use a multimeter to test for shorts, and check the actuator's functionality.
Can driving with the C1904 code cause damage?
Driving with this code may not cause immediate damage, but it can compromise ride quality and handling, potentially affecting safety.
How do I fix the C1904 code?
Repair or replace damaged wiring, clean corroded connectors, and replace the right rear shock actuator if necessary.
What tools are needed to address the C1904 code?
Basic tools include a multimeter, electrical cleaner, and potentially a replacement shock actuator for repairs.
Is it expensive to fix the C1904 code?
The cost depends on whether you need to replace wiring, connectors, or the actuator itself, but labor costs can add to the expense if professional assistance is required.
Can a faulty shock actuator trigger the C1904 code?
Yes, a malfunctioning right rear shock actuator can directly cause this code due to electrical issues or internal failure.
Should the suspension warning light turn off after fixing the C1904 code?
Yes, once repairs are completed and the code is cleared with a scan tool, the suspension warning light should turn off.
Discuss the causes and fixes for C1904 Lincoln OBDII Code
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