P07ED
Transmission Range Multi-Function Select Circuit Stuck
The multi-function select circuit reports a value that does not change despite operator activity — the rotary encoder is stuck or a push-button is mechanically locked. The TCM ignores further requests until the input becomes plausible.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Common causes
Ordered by how often each turns out to be the cause.
- Stuck rotary encoderCommon
Parts involved
- Range Select Switch
P07ED is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.