2007 Chevrolet Cobalt Coupe Logo

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Posted on Jun 12, 2017
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I have an 07 cobalt that wont start.the trip meter shows dashes.the dealer said no ignition 1 voltage and replaced the ignition switch. there is no communication with the pcm. i can jumper the starter and it will start and shut off but when i hit the key the lights go out but no starter. i have checked all fuses and they are good. ihave put a used pcm and no difference. also put a used bcm and it changed the mileage but did nothing for the lines in the trip meter

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Jeffrey Turcotte

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  • Chevrolet Master 8,991 Answers
  • Posted on Jun 13, 2017
Jeffrey Turcotte
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Joined: Aug 22, 2010
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Your system is very complex and requires troubleshooting by an expert. I would trace the start signal from the switch then out of the bcm to the starter relay. See diagram below. I would also trace power from the park/neutral fuse thru the park/neutral switch.
i have an 07 cobalt that wont start.the trip meter - 0996b43f807dc14f-zmjbrcf5gjs1vevrfv5jm2py-3-0.gif

5 Related Answers

shaggyrat

Christophe Thompson

  • 1224 Answers
  • Posted on May 26, 2008

SOURCE: trip meter and mileage gauge

if doors open they come on
if your sitting in vehicle with doors closed they have timer delay they should go off
were they red before in every day normal use
if they were not this might be indicator that vw put in there beetles that tells you your vehicle needs serviced

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Anonymous

  • 4669 Answers
  • Posted on Mar 08, 2009

SOURCE: no fuel no spark 1990 k5 blazer 350

Take off the distributor cap. Check the star wheel that is splined to the distributor shaft that the pick-up coil uses. Make sure this wheel is not loose on the distributor shaft. It is right above the pick-up. If it is loose, replace the distributor. This is a common problem. If it needs one, all the part stores stock the distributor.

Anonymous

  • 103 Answers
  • Posted on Sep 01, 2009

SOURCE: 2000 Silverado-4.3 ltre-cranks over-wont start-consistenly

Yes. First, in the fuse block under the hood check INJ A fuse and INJ B fuse. INJ A fuse is circuit 1039 which feeds the coil. If the fuse is OK, replace the coil electrical connector. I stock 2 of these at my dealership because they are needed quite often.
FYI P1351 is an ignition coil control circuit DTC.

Anonymous

  • 56 Answers
  • Posted on Sep 15, 2009

SOURCE: 2003 Chevy Impala periodically won't start

Try under the dash, attached to colum is a switch that the rod goes into from your ignition key switch, that may need to be adjusted tword your steering wheel just a touch, they go out of alignmnet from time to time

Anonymous

  • 10 Answers
  • Posted on Feb 27, 2010

SOURCE: reset button on instrument panel

You have three options here.... None of which you will like. Option A: remove the dash and the instrument panel and attempt to replace the entire unit yourself. ( PAIN IN THE **** ).

Option B: Pay service shop to do aformentioned repair ( labor + Part = most likely going to cost a minimum of 200 dollars ranging all the way to 400).

Option C: Live without it. Your going to come off some money with this one. Getting an odometer system replaced can be very very expensive. If your system is Digital you might actually save some money as far as labor is concerned.

Testimonial: "thanks for the good advise, i'll live without it!"

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07 chrysler 300 wont start all lights on dash come on relays engage under hood and in trunk. removed and tested starter. test good. what could c ause this

The ignition switch if what you say about your tests are accurate .
You need a point to start at test the 2 hot wires at the switch for B+they will be large likely yellow wires for 12 volts with the connector disconnected form the ignition switch .
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There can be a couple things, nutral saftey switch, AC DELCO, NEUTRAL SAFETY SWITCH Direct Replacement Part For OE Number 24219476 `$68.67 , ignition switch not adjusted correctly, try jumping the starter at the starter to see if the starter is working, of course I have just fixed a car that the guy didn't have the shifter in park, try these things and get back to me
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Try this procedure.

1. Turn the ignition key up one notch. (The dash lights will not be on)

2. Press and hold down the Trip Meter Button next to the odometer.

3. While continuing to press down on the Trip Meter Button turn the ignition key to the next notch or the "Run" position, the dash lights will come on but do not start the engine.

4. Continue to press down on the Trip Meter Button until the Maintenance Required light turns off.

The Maintenance Required light should now be reset.
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How do I reset the MAINT light

1. Press and hold the ODO reset button.
2. While still holding the ODO reset, press the IGN button twice without your foot on the brake. The display will show dashes, then zeros to indicate the service reminder is reset.
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1. Turn the ignition switch to off.
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That is a hard problem to pin point without knowing what codes the computer has stored. It can be any number or sensors or engine problems.

You can go to most auto parts stores and they will pull the codes for you for free.
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