DTC P0137 Honda
Secondary HO2S (Sensor 2) Circuit Low Voltage
Secondary HO2S (Sensor 2) Circuit Low Voltage
Description
With engine running the secondary HO2S (Sensor 2) output voltage remains in Zone 1 (0.29 V or below) for at least 72 seconds.
Cause and Solution
Poor connections or loose wires at the secondary HO2S (Sensor 2) and the PCM Short circuit between the secondary HO2S (Sensor 2) and the PCM Faulty secondary HO2S (Sensor 2) Faulty PCM
Video Guide
Diagnostic Info
- DTC Code: P0137
- Brand: Honda