Questions & Answers for: Jeep Commander pcm

...or lean air/fuel mixtures. When it detects a pre-detonation knock it sends this information to the PCM and the PCM will normally ****** the ignition timing to prevent damage to the engine. However

...as possible. Thank You Your Jeep doe not have a speedometer cable. The speed is calculated by the PCM ( vehicle computer) by input values that are received from the vehicle speed sensor. This issue ...

diagnostic test on what? engine, trans, PCM, BCM, TPSM, and 11 more on mine. what year.

...When is the code detected? The P0521 is detected when the signal sent from oil pressure sensor to PCM goes out of range. Possible symptoms - Engine Light ON (or Service Engine Soon Warning Light) - ...

pcm relearn relear 2007 jeep commander relearn what large topic. and wow, not even a FUNCTION STATED just the WHOLE PCM,. no symptoms, no issues, just that. not sure what engine you have there, and ...

? why? its in the operators guide, and in FSM. each puter brain in car has an OID, even NAV. radio, pcm, bcm , TIMP, and more. its the memory keep alive circuits. !

...commander under dash what fuse is it? the cars electrics are complex. as is the ECU (now called a PCM) the PCM has up to 3 to 4 fuses. typically 1 for spark, 1 for fuel and 1 for PCM and one more ...

...clean it, (pins) and reseat it. then press reset on scan tool see if it returns. as you can see the PCM pulls this line high when unconnected. so it cant tell a short to 12v from open. ...

...wonder if a compass car has compass , omg. i have 2010 and have same book. did you scan the PCM yet, i bet not. and its guess what, telling why it fails right now. see page 8M-6 in book ...

...relay is next. with a voltmeter this super easy. The key sends 12vd to pin relay 85 cranking the PCM grounds pin 86 if the PCM sees the transmission is in park or neutral. not scanning the pCM to ...