P1121

DTCP1121:TP Sensor Signal Lower Than Expected

NOTE: Before you troubleshoot, record all freeze data and review the general troubleshooting information.

1. Turn the ignition switch ON (II).
2. Check the throttle position with a scan tool or the HDS.

Is 9.4 % or more indicated when the throttle is fully opened?

YES - Intermittent failure, system is OK at this time.

NO - Replace the throttle body.