Powertrain
generic / SAE
P2766
Input/Turbine Shaft Speed Sensor B Circuit Range/Performance
The second input shaft speed sensor reading is implausible against the primary sensor. Wiring faults of this kind typically come from chafing, water ingress at connector seals, or pin push-back — a wiggle test on the harness while the code is active often confirms the location.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number7 / 66
Possible causes
- Damaged tone wheel teeth high
- Sensor air gap drift medium
- Sensor element aged beyond calibration window low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 180–1500 €
- Estimated time: 1–5 h
- Component: input shaft speed sensor b
- Component: tone wheel
- MIL / check engine light
Sources
References
sae:J2012