Code Definition

C1250 — ABS Inlet Valve Coil LR Circuit Failure

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

About C1250

C1250 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 C1250 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.

C1250 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 Anti-lock Brake System (ABS) module commands each wheel circuit's inlet valve closed during ABS or stability control events to isolate that wheel from master cylinder pressure while the outlet valve releases pressure. DTC C1250 is a general circuit failure code indicating the module has detected the Left Rear (LR) inlet valve coil drive circuit is not behaving as expected. This can be caused by an open winding, a short to ground, a short to battery, an out of range coil resistance, or a fault inside the module driver itself. Because the LR inlet valve coil and its drive wiring are containe...

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