P2D81

Charging Start Switch Circuit Performance

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–278 (est.)

Symptoms

Check Engine light comes on
Problems starting an internal combustion engine
Reduced hybrid system efficiency
Switching to emergency operation
Unusual sounds when trying to start the engine

Causes

Open or short circuit in the charging starter circuit
Faulty charging starter relay
Circuit fuse problems
Malfunction of the charging starter itself
Problems with the hybrid system control unit

How to Fix

Check the integrity of the circuit fuses
Diagnose the status of the charging starter relay
Check the integrity of the circuit wiring harness
Test the operation of the charging starter
Scan the control unit for errors

Related codes

P2D80 P2D82 P0A80