P0123

Tests 130 - 134:

Tests 135 - 140:

SYMPTOM
P-0123 THROTTLE POSITION SENSOR VOLTAGE HIGH

WHEN MONITORED
With the ignition on, and battery voltage above 10.4 volts.

SET CONDITION
TP sensor voltage at PCM goes above 4.9 volts for 3.2 seconds.

POSSIBLE CAUSES
- No possible causes remaining
- Throttle position sensor ground circuit open
- Throttle position sensor signal circuit open
- TP sensor signal ckt shorted to voltage
- TPS wiring harness intermittent defect (rpm)
- Powertrain control module defective
- Throttle position sensor defective (A)
- Throttle position sensor defective (B)
- TPS wiring harness intermittent defect (volt)
- TPS wiring harness observable defect