DTC P2629 BMW
O2 Sensor Pumping Current Trim Circuit Open Bank 2 Sensor 1
O2 Sensor Pumping Current Trim Circuit Open Bank 2 Sensor 1
Description
Engine started, battery voltage must be at least 11.5v, all electrical components must be off, parking brake must be engaged (to keep daytime driving lights off), automatic transmission selector must be in park, the exhaust system must be properly sealed
Cause and Solution
Check activation of Recirculation Pump Relay
Oxygen sensor (before catalytic converter) is faulty
Oxygen sensor (behind catalytic converter) is faulty
Oxygen sensor heater (before catalytic converter) is faulty
Video Guide
Diagnostic Info
- DTC Code: P2629
- Brand: BMW