P1221 OBD Trouble Code
3 results found
| Type | Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled |
|---|---|
| Description | TP Sensor 1-2 Correlation 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 present and the PCM detected the TP Sensor (2) signal disagreed with the TP Sensor (1) by more than 75% for less than 1 second |
| Type | Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled |
|---|---|
| Description | Throttle motor position sensor 1/2 - signal variation |
| Cause | Wiring, throttle control unit, ECM |
| Type | Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled |
|---|---|
| Description | Throttle motor position sensor 1/2 - signal variation |
| Cause | Wiring, throttle control unit, ECM |
Try also: https://www.obd-codes.com/p1221
