DTC P2241 Acura
Front Air Fuel Ratio (A F) Sensor (Bank 2, Sensor 1) IP Circuit Low Voltage
Front Air Fuel Ratio (A F) Sensor (Bank 2, Sensor 1) IP Circuit Low Voltage
Description
With engine running the IPB1 input terminal voltage is 1 volts or less for at least 5 seconds after the sensor becomes active and 85 seconds before the sensor becomes active. The execution time is continuous DTCs P0135, P2195, P2237, P2243, P2245, P2251, P2252, P2627, P2628 are not active. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.
Cause and Solution
Poor connections or loose terminals at the A F sensor (Sensor 1) and the PCM
Short circuit between the PCM and the A F sensor (Sensor 1)
Faulty A F sensor (Sensor 1)
PCM needs to be updated with the latest software
Video Guide
Diagnostic Info
- DTC Code: P2241
- Brand: Acura