Code Definition

C1253 — Brake Booster Pump Motor Circuit

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

About C1253

C1253 is a manufacturer-specific chassis diagnostic trouble code recorded for Toyota vehicles. It belongs to the C-prefix family of codes, which covers chassis, braking, steering, suspension, or stability-control faults.

When C1253 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.

C1253 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

This DTC is stored when the Skid Control ECU, part of the ABS and VSC system, detects a malfunction in the electrical circuit of the brake booster pump motor. The booster pump motor builds and maintains hydraulic pressure in the brake actuator or accumulator for brake assist and stability control functions. C1253 is triggered when the ECU detects an open, short to ground, or short to battery in the motor circuit, or if the motor current is outside the specified range during operation. When this code is set the brake warning, ABS, and VSC lights usually illuminate and the driver may notice a ha...

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