Powertrain
generic / SAE
P2784
Input/Turbine Speed Sensor A/B Correlation
The two input or turbine shaft speed sensors A and B do not agree within tolerance. Either sensor may be drifting or missing pulses.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number7 / 84
Possible causes
- Damaged tone wheel teeth high
- One sensor drifts in air gap or amplitude medium
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 180–1500 €
- Estimated time: 1–5 h
- Component: input shaft speed sensor a
- Component: input shaft speed sensor b
- Component: tone wheel
- MIL / check engine light
Sources
References
sae:J2012