P0A34

Symptoms

• Unstable operation of the hybrid system
• Reduced engine power
• Check Engine light comes on
• Increased fuel consumption
• The car goes into emergency mode

Causes

• Engine temperature sensor B fault
• Open or short circuit in wiring
• Poor contact in sensor connectors
• Wiring harness damage
• Problems with the hybrid system control unit

How to Fix

1. Check the condition of engine temperature sensor B
2. Inspect wiring and connectors for damage
3. Check the resistance and voltage in the sensor circuit
4. Replace engine temperature sensor B if necessary
5. Clean or replace connectors if corroded

Related codes

Error P0A34 by Vehicle Brand