P0138 Diagnostic Trouble Code Discussion for March 2012
Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage
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Trouble Ticket Help Requests for DTC P0138
|2004 Jeep Liberty Sport 3.7L MIL Lamp on VIN: 1J4GK48K14
P0138: Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage. ... now is setting p0141, and p0138. we replaced the harness from the pcm to b1s2 o2, and still have these two codes returning. the pcm is aftermarket, the b1s2 o2 is an Oem from our jeep dealer. since the pcm, wiring and o2 ...
|March 01, 2012|