C1245high severityChassis
Deceleration Sensor Output Voltage Malfunction
on 2000 Toyota 4Runner 2.7L I4 · 4WD
What this code means
The deceleration sensor is producing an output voltage outside the expected range. No direct OBD P-code equivalent exists for this manufacturer-specific code.
Symptoms
- ABS warning light on
- VSC/traction light on
- Inconsistent braking behavior
Common causes
- Faulty deceleration sensor
- Sensor voltage supply issue
- Damaged sensor wiring
- Poor connector contact
Diagnostic steps
- Read sensor output voltage with scan tool
- Compare readings to specification
- Check sensor power and ground
- Replace deceleration sensor if out of range
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Other Chassis codes on this vehicle
C0021
LF Wheel Speed Sensor Range/Performance
C0022
RF Wheel Speed Sensor Range/Performance
C0023
LR Wheel Speed Sensor Range/Performance
C0024
RR Wheel Speed Sensor Range/Performance
C0025
LF Wheel Speed Sensor Circuit Intermittent
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