1, 2 and 3 Digit Codes: 29
CODE NUMBERScan tool: 29
General scan tool P0120
CODE NAME
Throttle position signal
CODE DESCRIPTION
Throttle angle less than 6 degrees, or throttle greater than 120.6 degrees.
The engine must be running.
PROBABLE CAUSE
- Malfunction of throttle position sensor
- Harness or connector between throttle position sensor and TCM open or short-circuited
- Harness or connector between throttle position sensor output and TCM open or short-circuited
- Malfunction of TCM
- Malfunction of PCM
DIAGNOSTIC CHART