The vehicle cranks but doesn't start, however it is pulling a code of P1682?

MATT3529

MEMBER
2012 CHEVROLET CAMARO
6 CYL
2WD
AUTOMATIC
85,000 MILES

Camaro LT 6 cylinder convertible. We have already replaced the starter due to vehicle not cranking. Now the vehicle cranks but doesn't start, however it is pulling a code of P1682 which looking into it was two things either the ignition switch circuit or the ECM. Being the ignition switch was the cheaper option to try we went and replaced that, and also had the battery test also to rule that out as well. It's still not starting but cranks fine and we believe that it's the ECM but wanted to know if it could be re-flashed or does it need to be replaced, also or can anyone besides the dealer re-flash the ECM?

4 Replies

HMAC300

MECHANIC
48,601 POSTS

Hello,

Please turn the key to the on position without cranking the engine over to see if you hear the fuel pump come on for 5 seconds in the tank? Here is a guided to help us fix the problem

https://www.2carpros.com/articles/car-cranks-but-wont-start

Please run down this guide and report back.

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Tuesday, November 17th, 2015 AT 6:05 AM

BOOPERIII

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1 POST

Thank you for this post I had the same problem and have to get a new fuel pump cost me $210.00 for an AC Delco Unit.

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Saturday, August 17th, 2019 AT 4:46 PM

OLD GUY TX

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1 POST

Son bought a used 2002 Camaro and has been driving it for 2 years. The other day it wouldn't crank, dash lights on single click, then nothing. After 30 hours of testing battery, starter, selinoid, starter relay, VATS system, nuetral safety switch, and the ignition switch with no results. I noticed a PASSTIME PTE-3 module that I thought was OEM. Module had gone bad, took less than 15 minutes to remove and splice original wires back together and restore ability to start. Hope this saves someone else the frustration I had. PASSTIME is installed by lenders to disable and locate cars for repo.

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Saturday, September 14th, 2019 AT 5:35 PM