Question about Cars & Trucks
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Posted on Jan 02, 2017
SOURCE: p0137 and u1120
P0137 -o2 sensor circuit low voltage [bank 1 sensor 2] sensor is located after cat converter--- possible faulty sensor/broken -damaged-disconnected sensor circuit wiring / plugged cat converter / exhaust leak by sensor --- the U1120 is an undefined enhanced manufactures specific code --wheel distance message --the PCM doesnt receive a vehicle speed message from the anti-lock brake module over the CAN C bus -possible CAN C bus circuit open or shorted / anti-lock brake module damaged or defective / PCM problem notify a dealer may be a recall or a service bulletin on the problem the code seems to pop up on the durangos also might get lucky and be covered under warranty
Posted on Feb 01, 2010
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