Code Definition

C1110 — ABS Power Relay Coil Circuit Failure

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

About C1110

C1110 is a manufacturer-specific chassis diagnostic trouble code recorded for Ford vehicles. It belongs to the C-prefix family of codes, which covers chassis, braking, steering, suspension, or stability-control faults.

When C1110 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.

C1110 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 ABS Power Relay supplies battery voltage to the ABS hydraulic unit, including the pump motor and solenoid valves, and its coil is energised by the ABS module. DTC C1110 sets when the module detects a fault in the relay coil control circuit, such as an open, a short to ground, or a short to voltage, so the relay cannot be commanded correctly. The relay may be integrated into the ABS module or mounted separately in a fuse or relay box depending on the platform. When this code is present the ABS and traction control functions are disabled and the warning lamps illuminate, while base hydraulic...

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