C1910: RF Shock Actuator Open Circuit
The Electronic Suspension Control Module (ESCM) or Body Control Module (BCM) has detected an open circuit in the right front (RF) shock absorber actuator. This prevents the module from adjusting the variable damping force for that wheel, typically disabling the active ride control system for the front axle.
1. Commonly Affected Makes
2. Most Common Causes
- Open circuit in the signal or ground wiring of the RF actuator
- RF actuator connector disconnected, corroded, or with damaged terminals
- RF shock actuator solenoid with an internally open coil
- Internal failure of the suspension control module (ESCM/BCM)
3. Symptoms You Will Notice
- Illuminated Check Engine Light or Suspension Warning Light
- Reduced ride quality or harshness from the right front corner
- Active suspension system may be disabled or operate in fail-safe mode
4. Step-by-Step Diagnosis
Scan for additional codes and verify C1910 is present
Visually inspect the RF shock actuator connector and wiring for damage or corrosion
Test the actuator solenoid resistance with a multimeter (compare to specifications)
Check for power and ground at the actuator connector with the ignition on
If wiring and actuator are good, suspect a faulty ESCM/BCM
5. Frequently Asked Questions
Is it safe to drive?▼
Yes, but the suspension will not adjust damping on the right front, leading to a rougher ride. Have it diagnosed soon to prevent further issues.
How much does it cost to fix?▼
Typically $200–$600 depending on the cause: wiring repair ($100–$300), actuator replacement ($200–$400), or module replacement ($400–$800).