Code Definition

C1423 — Damper LF Circuit Failure

System: Chassis  |  Type: Manufacturer-Specific  |  Make: Generic

About C1423

C1423 is a manufacturer-specific chassis diagnostic trouble code. It belongs to the C-prefix family of codes, which covers chassis, braking, steering, suspension, or stability-control faults.

When C1423 is stored, the module has detected an electrical-circuit fault in the wiring, connector, or driver associated with the named component.

Scanning & clearing: Chassis (C) codes are stored in the ABS, traction control, or stability-control modules. An enhanced or OEM-level scan tool is usually required to read and clear them.

C1423 is a manufacturer-specific code. The same code string on a different make may have a different meaning. Always confirm the code's definition against the vehicle's service information for the specific make and model under test.

Code Information

The C1423 fault code indicates the suspension control module has detected an electrical fault on the left front (LF) electronic damper control circuit that does not classify as a specific short or open. Electronically controlled dampers use solenoid valves to vary internal fluid restriction in real time, adjusting ride compliance based on inputs from suspension position sensors, accelerometers, steering input, and the stability control system. This generic failure code is set when the module detects out of range coil current, intermittent open or short conditions, or a damper that fails its co...

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