P0C18

Drive Motor B Position Sensor Not Learned

Severity

⚠️ Medium

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$33–133 (est.)

Symptoms

Power Loss
Unstable engine operation
Check Engine light comes on
Problems with switching modes in the hybrid system

Causes

Motor position sensor B fault
Damage to wiring or connectors
Problems with the hybrid system control unit
Mechanical engine damage

How to Fix

Check engine position sensor B
Inspect wiring and connectors for damage
Diagnose the hybrid system control unit
Perform sensor training procedure

Related codes

P0C19 P0C17 P0C16