Powertrain
generic / SAE
P288F
Shift Fork "B" Actuator Control Circuit Driver Current/Temperature Too High
The output driver for shift fork B actuator reports current or junction temperature above its protection threshold. Stalled actuator or short-circuit fault.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number8 / 8F
Possible causes
- Short to ground in actuator wiring high
- Shift fork mechanically jammed — actuator stalls 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
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 500–2500 €
- Estimated time: 2–8 h
- Component: shift fork actuator b
- Component: tcm
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012