DTC P1921: Transmission Range Signal
WARNING: This page is about a different variant/trim than selected.
P1921 - TRANSMISSION RANGE SIGNAL
| Description: | The transaxle control module (TCM) continuously monitors the controller area network (CAN) for a transmission range message from the powertrain control module (PCM). This DTC sets when the received message does not match the actual transmission range. | ||
| Possible Causes: |
|
||
| Diagnostic Aids: | Retrieve all continuous memory and on-demand self-test DTCs from the PCM. Repair any TR related DTCs first. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST TY . | - | GO to PINPOINT TEST TY . |