P1120 OBD Trouble Code

1 result found

P1120 - GM
Type Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description

TP Sensor 1 Circuit Conditions

Cause

DTC P0606, P1517 and P1518 not set, key in crank or run mode, system voltage over 5.23v, Electronic Throttle Control serial data operational, then the PCM detected the TP sensor (1) input was less than 0.14v or over 4.87v, condition met for under 1 second

Try also: https://www.obd-codes.com/p1120