jinxed45 Posted May 20, 2004 Report Share Posted May 20, 2004 Diagnosed P0146 History - Heated O2 Sensor Circuit Insufficient - Activity: Bank 1 Sensor 3 Should I replace all the O2 sensors? While we're at it: P0603 History - Control Module Long Term Memory Reset IPC: B1552 History - Keep Alive Memory (KAM) Error U1255 Current - Class 2 Communication Malfunction (Serial Data Line Malfunc.) RSS: C1738 Current - Exhaust Solenoid Valve Short to GND C1783 Current - ICCS2 DL Left Output Short Circuit to GND C1785 Current - ICCS2 DL Right Output Short Circuit to GND PZM: B0533 History - Fuel Sensor Open/Shorted to B+ B1552 History - Keep Alive Memory (KAM) Error B1558 History - BCM EPROM Check Sum Error So that's where I'm at.. I haven't tuned up the engine since 100,000 miles, but I'm planning on doing so very soon. And I want my Cadillac in perfect condition, therefore I would have to clear these up. The history codes come back even after I clear the codes, I don't see why if they're history?! Thanks for any help, I really need it. Link to comment Share on other sites More sharing options...
Ranger Posted May 20, 2004 Report Share Posted May 20, 2004 Bank 2 is left (forward) side. Bank 1 is right (firewall) side. Sensor 1 is on the manifold. Sensor 2 is pre-cat and sensor 3 is aft-cat. Bank 1 only has 1 sensor (on the manifold). Link to comment Share on other sites More sharing options...
bigboy6998 Posted May 20, 2004 Report Share Posted May 20, 2004 do you have long starts? the reason i ask is that i have the B0533 History - Fuel Sensor Open/Shorted to B+ problem too and my gas gage isnt right below 1/2 tank and i thought it would have something to do with my hard starting. Link to comment Share on other sites More sharing options...
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