Powertrain
generic / SAE
P093C
Hydraulic Accumulator Solenoid Circuit High
The hydraulic accumulator solenoid reports a circuit high condition. Pressure storage charging cannot be commanded reliably.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number9 / 3C
Possible causes
- Wire shorted to B+ high
- Open 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: medium
- DIY: shop recommended
- Estimated cost: 150–800 €
- Estimated time: 0.5–3 h
- Component: hydraulic accumulator solenoid
- Component: wiring harness
- Component: tcm
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012