P26FF
Auto Configuration Throttle Input Not Present Bank 2
During controller auto-configuration the expected throttle input on bank 2 was not detected. Configuration cannot complete and the second throttle path cannot be used.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Broken signal wire from throttle B2Common
- Hardware variant mismatch — sensor not installedPossible
Parts involved
- Throttle Position Sensor B2
- Control Module
- Wiring Harness
P26FF 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.