P1682 malibu

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By worktruck March 8, in How-To. Maybe this will help anyone who has a truck that turns over, but won't start. P is the code on the computer The first ignition circuit is provided by the powertrain relay, through a fuse. This ignition 1 voltage circuit supplies power to all the internal ECM circuits associated with the throttle actuator control TAC operation. The ECM has detected a voltage diference between two circuits Possible symptoms - Engine Light ON or Service Engine Soon Warning Light - Possible no crank or start I decided to replace the ignition switch because that's what other people had done and it was cheaper than a dealership diagnostic. Besides this one code, my instrument console also threw up warnings about servicing the traction control, anti-lock brake system and some other alarming messages.

P1682 malibu

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. It has been running well not a fast car but it is now running very poorly. It is approx degrees today in phoenix, so its cooler than yesterday and it ran fine yesterday. Any thoughts? Thanks Gareth. Sort by Oldest first Oldest first Newest first Most reactions. The first ignition circuit is provided by the powertrain relay, through a fuse. This ignition 1 voltage circuit supplies power to all the internal ECM circuits associated with the throttle actuator control TAC operation. This morning on a cold start, or as cold as it gets in Phoenix approx 85 degrees it started fine, I took it for a run on city streets and on the freeway and it ran fine. I think it may be heat related, as something gets hot but what is the something it isn't working correctly. What I did, but i don't know if it helped.

Goatdog Posted May 25, p1682 malibu, I drove home in my 60k mile chevy to change to my k Toyota. Runs normal and the CEL went away after a few cycles.

P code. Thread Tools. View Public Profile. Send a private message to FatTireBiker. Send a private message to donbrew. Find More Posts by donbrew. Yeah I got that far but that didn't get me very much with solving the problem.

Symptoms may include difficulty starting the vehicle or intermittent loss of power. The code can be triggered by a faulty ignition switch, an open or shorted ignition switch harness, poor electrical connections in the ignition switch circuit, or a faulty Engine Control Module ECM. To fix the issue, visually inspect the wiring harness and connectors for any damage. Check for broken, bent, pushed out, or corroded pins in the connectors. The repair time for this issue is estimated to be around 1.

P1682 malibu

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. It has been running well not a fast car but it is now running very poorly. It is approx degrees today in phoenix, so its cooler than yesterday and it ran fine yesterday. Any thoughts?

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For a better experience, please enable JavaScript in your browser before proceeding. Insert Quotes Quotes Post Reply. Insert Quotes Quotes Post Reply. Deals Forum. Top Contributors this Month View All. Thread Tools. It's a company car so we took to Chevy dealer. Quote message in reply? I think it was like 26 degrees or so. Check Engine? Glad you got it resolved.

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Posting Quick Reply - Please Wait. Thanks everyone for the help and info. Show More. Here is a video of someone doing it on a similar vehicle:. You changed the ignition switch, not the lock cylinder All times are GMT AVS Forum. Do i need one from the same model year and spec as my car? Something always ended up killing the engine. Unfortunately, that's a very common problem on whole 7th generation, without difference if it's 4 banger, 3. I allowed the solder to cover a larger area of the wire, Put everything back together and I have been using the car for work for a week. Now it's known issue and can be fixed without buying a new undrehood fuse block, which is expensive.