Powertrain
generic / SAE
P099F
Shift Solenoid H Control Circuit High
The control circuit of shift solenoid H reports a control circuit high condition. Gear element actuation cannot be commanded reliably on this channel.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number9 / 9F
Possible causes
- Control wire shorted to B+ high
- Open solenoid coil medium
- Connector pins corroded - high contact resistance low
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: 200–1800 €
- Estimated time: 1.5–6 h
- Component: shift solenoid h
- Component: wiring harness
- Component: tcm
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012