Entry Post

P0138 – O2 Circuit High Voltage (Bank 1, Sensor 2)

Post Content

P0138 – O2 Circuit High Voltage (Bank 1, Sensor 2)
P0137 – O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2)
Description:         The powertrain control module (PCM) monitors the heated oxygen sensor (HO2S) for a circuit concern. This DTC sets when the PCM detects a concern with the circuit used to determine the oxygen content in the exhaust gas.
Possible Causes:       
 
HO2S circuit open
 
HO2S circuit short to ground
 
Damaged HO2S sensor
Diagnostic Aids:
Related Topics  P009A - Intake Air Temperature /Ambient Air Temperature Correlation
Comments

There are no comments.

Compose Comment