2004 Pontiac Bonneville "ecm ac 2" Questions

...AC/heater. "Check Air Bag", "Check Engine Soon", and a few other status lights come on. What can be causing this? BULLETIN NUMBER: 00-08-56-003 SECTION: 08 - Body and Accessories ...

...AC relay and I put power to the ground wire that cames from the ECM and it kill the engine and wont start Follow the link for info on this fault. U0100 Lost Communication With ECM PCM var ezzns2 0 05 ...

...ECM) for water intrusion. 2. If OK, check the output of the crankshaft position sensor, it should be at least 1.0 volts AC. 3. Verify battery voltage (B+) is present at the injector and coil ...

AC blows cold air and fan kicks back on. I'm thinking I have some wiring or ECM problem? Anyone else have this problem? I guess the overall answer is yes it could be the ECM.Code 16 is high or

...ac has stopped working can I check some areas before resorting to a shop? if ur compressor constantly clicks offf n on it may be bad, Now if its blowing hot air it could need freon or your ecm could ...

...ac the meter displays 2 numbers every second never settling on a number The crank sensor generates the signal for the ecm. Every revolution of the crankcase sends a momentary impulse to the ecm. That ...

ac unit? It is possible to damage the ECM by ujump starting the car as there is a very specific procedure to follow to prevent a power surge when connecting up the battery leads. Most new jumper leads

...ac clutch relay. Did a by pass on the pressure switch. Nothing helps. Terry, have it checked for low refrigerant at a good shop. "I hope this helped you out, if so let me know by pressing the helpful ...

...ECM) F14 (5A) Engine management system F15 (5A/10A/15A) Fuel pump (FP), AC compressor clutch, engine management system F16 (30A) Multifunction control module 2 F17 (15A) Alarm system horn F18 (30A) ...

...lead to the sensor. The sensor generates a AC voltage signal with higher speeds generating more voltage and frequency. The ECM (computer), looks at the signal to see how fast the vehicle is