P083F
Clutch Pedal Switch A/B Correlation
The signals of clutch pedal switches A and B do not correlate within the calibrated tolerance. One switch failed or harness offset between channels.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: easy
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.
- One switch contact failedCommon
- Wiring or connector faultPossible
Parts involved
- Clutch Pedal Switch A
- Clutch Pedal Switch B
- ECM
P083F 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.