P2BB6

Symptoms

• Incorrect temperature readings on the dashboard
• Increased fuel consumption
• Unstable engine operation at idle
• Difficulty starting the engine
• Check Engine Light Is On

Causes

• Malfunction of coolant temperature sensor No. 6
• Open or short circuit in the sensor circuit
• Poor contact in the sensor connector
• Contact corrosion
• Problems with the engine ECU

How to Fix

1. Check sensor resistance at different temperatures
2. Inspect wiring and connectors for damage
3. Check the continuity of the circuit between the sensor and the ECU
4. Replace the faulty sensor if necessary
5. Clean contacts from corrosion

Related codes

Error P2BB6 by Vehicle Brand