What Does C1469 Mean?
This code indicates a failure in the low-side driver circuit for the rear damper actuators. The rear damper solenoid ground path is interrupted, preventing the suspension module from controlling rear damper firmness. The rear dampers will operate in their default passive valving state. This is the rear counterpart to C1468 and has similar diagnostic and repair implications.
Common Causes
35%
Corroded rear body ground connection for the damper circuit, commonly found at a trunk floor or rear wheelhouse ground point
25%
Suspension module rear low-side driver transistor open circuit failure
25%
Rear damper actuator solenoid open coil from vibration-induced wire fatigue break
15%
Harness damage at the rear damper-to-body transition point where the wire flexes with suspension travel
Diagnostic Steps
1
Step 1: Measure each rear damper solenoid resistance at the actuator connectors. Typical values are 3-8 ohms. An open reading on either rear solenoid identifies a failed actuator.
2
Step 2: Check the rear damper ground path by measuring resistance from the damper low-side wire at the module connector to chassis ground. Should be less than 1 ohm. High resistance points to a corroded or loose rear ground connection.
3
Step 3: Inspect the wiring at each rear damper where the harness connects to the strut or shock-mounted actuator. This wire must flex with suspension travel, and fatigue breaks are common, especially in vehicles with high mileage or that frequently drive on rough roads.
4
Step 4: Use a scan tool bidirectional test to command rear damper activation while monitoring current. Zero current flow confirms an open circuit in the solenoid, wiring, or module driver. Some current but below specification suggests a high-resistance connection.
5
Step 5: Repair or replace the faulty component. For ground issues, clean the ground point down to bare metal, apply a star washer under the bolt for self-cleaning contact, and seal with corrosion inhibitor. Verify rear damper operation across all mode selections.
Estimated Repair Cost
$100 - $600
Parts + labor, varies by vehicle and location
This code indicates a failure in the low-side driver circuit for the rear damper actuators. The rear damper solenoid ground path is interrupted, preventing the suspension module from controlling rear damper firmness. The rear dampers will operate in their default passive valving state. This is the r...
The most common cause of C1469 (Damper Low Side Rear Circuit Failure) is: Corroded rear body ground connection for the damper circuit, commonly found at a trunk floor or rear wheelhouse ground point
Typical repair costs for C1469 range from $100 to $600, depending on the vehicle, location, and whether you do it yourself or go to a shop.
Rear dampers default to passive mode, resulting in reduced body motion control at the rear axle. Hard acceleration may produce more rear squat than normal, and rough road compliance at the rear may be suboptimal, but the vehicle remains safe for normal driving.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to C1469 to identify the root cause.
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Quick Info
Category
Chassis
System
Adaptive Suspension / Rear Damper Control
Difficulty
Type
Manufacturer
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