P2BDA

Symptoms

• Difficulty starting the engine
• Increased fuel consumption
• Unstable engine operation at idle
• Engine overheating (in rare cases)
• Turning on the Check Engine light

Causes

• Coolant temperature sensor B malfunction
• Open or short circuit in the sensor circuit
• Poor contact in the sensor connector
• Wiring harness damage
• Engine control unit (ECU) malfunction

How to Fix

1. Check the level and condition of the coolant.
2. Check the wiring and connectors of the coolant temperature sensor B for damage.
3. Measure the resistance of coolant temperature sensor B. Compare the value obtained with the manufacturer's specifications.
4. Check the voltage at the coolant temperature sensor connector B.
5. Replace the coolant temperature sensor B if it is faulty.

Related codes

Error P2BDA by Vehicle Brand