C1252critical severityChassis
Open in Pump Motor Circuit
on 2000 Toyota 4Runner 2.7L I4 · 4WD
What this code means
An open circuit has been detected in the ABS pump motor wiring or connections. No direct OBD P-code equivalent exists for this manufacturer-specific code.
Symptoms
- ABS warning light on
- ABS pump does not run
- Loss of ABS function
Common causes
- Open pump motor wiring
- Faulty pump motor relay
- Corroded connector
- Failed pump motor
Diagnostic steps
- Check pump motor circuit continuity
- Inspect motor connector and relay
- Verify supply voltage to motor
- Repair wiring or replace actuator
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Other Chassis codes on this vehicle
C0021
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C0022
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C0023
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C0024
RR Wheel Speed Sensor Range/Performance
C0025
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C0026
RF Wheel Speed Sensor Circuit Intermittent
C0027
LR Wheel Speed Sensor Circuit Intermittent
C0028
RR Wheel Speed Sensor Circuit Intermittent
C0035
Left Front Wheel Speed Sensor Circuit
C0036
Left Front Wheel Speed Signal Erratic