Join Now
International Automotive Technicians Network

P0156 Diagnostic Trouble Code Discussion for April 2013

Heated Oxygen Sensor (Bank 2 Sensor 2) Closed Loop Fuel Control


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0156
Help Request Posted
2004 Jeep Liberty Renegade 3.7L Poor Idle Quality, MIL Lamp on
P0156: history code repaired previously and cleared. I am thinking this has a shorted harness on truck or fuse panel. Tps signal return wire with tps disconnected has 3.7 volts on it coming from ecm. Ground and signal return go directly to ecm no splices 5 volt reference shart via splice with crank sensor. Map s...
April 30, 2013
2004 Jeep Liberty Renegade 3.7L Poor Idle Quality, MIL Lamp on
P0156: history code repaired previously and cleared. I am thinking this has a shorted harness on truck or fuse panel. Tps signal return wire with tps disconnected has 3.7 volts on it coming from ecm. Ground and signal return go directly to ecm no splices 5 volt reference shart via splice with crank sensor. Map s...
April 30, 2013