Questions & Answers for: ecm light

ECM with one from a junk yard, car now starts but dash board light and tail lights dont work also radio lights up but says locked, is this a bad ECM? not bad ecm it has to be programed by a dealership

...ecm fault code, if check engine light not turning on when you start vechicle could have blowed ecm fuse or wiring problem, could have loose connection at ecm electrical connector or ecm getting poor ...

...and I found there is no power going to the part of the ECM where the check engine light and choke functions. But is it the way the power is distributed to the ECM or do I need a new ECM? change the ...

...ECM going out car dies engine disabeled on dash. ck engine light off when restarting aftercouple of hours. When car dies wont restart until sitting for 5 minutes. when trying to start before the 5 ...

...light or car sits at idle. got codes 12 , 22, am very confused !! Code 12. RPM signal. Problem area: Loose connection, broken rpm signal wire from distributor to ecm to rpm meter, rpm meter, ...

...the alternator to work. The ECM monitors the voltage and sets the light if voltage is to low or to high. Since it puts out 16+ volts the ECM is still working. The regulator in the alternator is

...ecm had power and the check engine light came on and i went to change the old ecm and now there is no power to the new ecm Did you disconnect the negative battery cable before changing ECM? check ECM ...

...control (TAC) system---malfunction===causes --ECM although you have replaced the ECM was it a known good unit on one a friend had laying around use a scan tool to reset the ECM to put the light ...

...light Lost communication with ECM and PCM A U0100 is a diagnostic trouble code (DTC) that indicates a problem with the communication network in the vehicle. The code specifically refers to a loss of ...

ecm swap now i have a battery light on 2000 silverado. Did a engine swap 4.8 to 5.3. Put 5.3 ecm in and did relearn procedure. everything is good except i get a on and off battery light on dash. The ...