Posts Tagged: Diagnose and fix Jeep P0158

Jeep P0158

June 20, 2018

Diagnose and fix Jeep P0158 A Jeep P0158 trouble code relates to the downstream oxygen sensor on Bank 2. The full definition is: P0158 Heated Oxygen Sensor (Bank 2 Sensor 2) Voltage High. Do not just replace the oxygen sensor without doing at least some diagnostic work on the circuit. I’ve included the Jeep P0158 wiring diagram below. Possible causes of Jeep P0158 B2S2 O2 sensor has failed due to contamination, silicone or water The B2S2 O2 sensor circuit wiring is OPEN or Shorted to Voltage The B2S2 O3 sensor … Read More