P0386
PowertrainCrankshaft Camshaft Positionmoderate severityCrankshaft Position Sensor B Circuit Range/Performance
What P0386 Means
The PCM detected the crankshaft position sensor B signal is out of expected range or performance. This can cause timing errors and drivability issues.
Symptoms
- Check engine light on
- Rough idle or misfire
- Hesitation or stalling
Common Causes
- Faulty crankshaft position sensor
- Damaged reluctor ring
- Excessive air gap
- Wiring fault
Diagnostic Steps
- Scan for codes and freeze frame
- Inspect reluctor ring for damage
- Measure sensor air gap
- Replace sensor if out of spec
🔌 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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