Powertrain
generic / SAE
P0986
Shift Solenoid E Control Circuit High
TCM detects voltage on shift solenoid E control circuit above threshold. 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
GroupP0
Range / number9 / 86
Possible causes
- Short to battery high
- Connector pins corroded - high contact resistance low
- Supply wire pinched against B+ source 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: 300–1500 €
- Estimated time: 1.5–6 h
- Component: shift solenoid e
- Component: wiring harness
- MIL / check engine light
Sources
References
sae:J2012