P0786
PowertrainTransmission Solenoidmoderate severityShift/Timing Solenoid Range/Performance
What P0786 Means
The shift or timing solenoid is operating outside its expected range or performance window. This can cause inconsistent shifting behavior.
Symptoms
- Inconsistent shift timing
- Slipping or flare on shifts
- Warning light illuminated
Common Causes
- Faulty shift/timing solenoid
- Dirty or low fluid
- Wiring or connector issues
- Worn valve body
Diagnostic Steps
- Verify fluid level and condition
- Read freeze frame and codes
- Test solenoid performance under load
- Inspect valve body and passages
🔌 Don't have a code reader?
Any of these will read and clear this code — pick by how deep you want to go.
Budget handheld~$40
ANCEL AD410 →
No-phone-needed handheld — reads, clears, live data, freeze frame.
✓ ANCEL official store
Serious DIY~$100
BlueDriver Pro →
Enhanced codes (ABS, airbag, TPMS) plus repair reports.
SHOP FAVORITEShop-grade tablet~$300
Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
✓ Autel official store
Pro diagnostics$1,500+
Autel MaxiSys MS906 Pro →
Full-system pro platform — topology mapping, ECU coding, the works.
✓ Autel official store
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Community Confirmed Fixes
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