Engine Code

Test 1:

Test 2 - 5:

Test 6 - 8:

SYMPTOM
P0123-THROTTLE POSITION SENSOR NO.1 HIGH (5.7L)

WHEN MONITORED
With the ignition on. Battery voltage greater than 10.4 volts.

SET CONDITION
Throttle Position Sensor No.1 voltage is greater than 4.472 volts for 1.3 seconds. One Trip Fault. 5.7L ETC light will illuminate.

POSSIBLE CAUSES
- TP sensor No.1 sweep
- Intermittent condition
- TP sensor
- (K22) tp sensor No.1 signal circuit shorted to battery voltage
- (K22) tp sensor No.1 signal circuit open
- (K22) tp sensor No.1 signal circuit shorted to (F855) 5-volt supply circuit
- (K922) sensor return circuit open
- PCM