Code Definition

C1407 — Traction Control Valve Rear Circuit Short To Battery

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

About C1407

C1407 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 C1407 is stored, the module has detected a short-circuit (voltage pulled to ground or to supply) in the monitored circuit.

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.

C1407 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 C1407 fault code indicates the ABS or traction control module has detected a short to battery voltage on the rear traction control valve circuit. The rear traction control valve is a solenoid valve inside the ABS hydraulic control unit used during traction control and stability control interventions. This code is specifically set when the module detects battery voltage present on the valve control circuit when it should be commanded off, indicating the valve control wire is shorted directly to a battery feed somewhere in the circuit. When this code is active, ABS, traction control, and sta...

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