DTC P2247 Acura
Front A F Sensor (Bank 2, Sensor 1) VCENT Circuit High Voltage
Front A F Sensor (Bank 2, Sensor 1) VCENT Circuit High Voltage
Description
With engine running the VSB1 terminal voltage repeatedly fluctuates from a value above 4.8 volts to a value below 3.4 volts, at least 150 times. The execution time is continuous and DTCs P0135, P2195, P2237, P2238, 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
Open 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: P2247
- Brand: Acura