My son has a 2001 Dodge Ram 1500 Laramie SLT. The check engine light will not illuminate during start up,

Asked by Jul 13, 2013 at 10:20 AM about the 2001 Dodge Ram 1500

Question type: Maintenance & Repair

I was told it would cost about $1000 to change out the powertrain control module ECM, but wondering if there are any other possibilities.

3 Answers

The ECM cost is $375 new. So that is a bit steep, it's not a lot of work to change out, the catch here is programming it. But what I would like to know is why does somebody want to change it when what you describe could be as simple as a bulb behind the light...?

2 of 2 people found this helpful.

...yes the main connection to chassis ground from your battery is issuing a "brown power" connection to the ECM...computers do not like varying voltage and varying amperage...take a wirebrush and clean this connection from that cable to the chassis/ground where it attaches...get steady power from a battery that is newer than five years old and in the process will have reset the Computer~....and should act normally with steady 12volts and up to 300 amps or more as needed~

73,845

Yes, check the bulb first. It may very well be burned out. If your Son just recently bought this vehicle the seller may have removed the bulb to cover up a problem. Pull the instrument cluster first and check/replace the bulb. If the "check engine" light remains on after bulb replacement have the computer scanned. Advance and Autozone auto parts stores will do it for free. Post any codes you get so we can help. HTH. -Jim

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