I got in my 2005 PT Cruiser and tried to crank it to go to work Monday morning. The motor turned over twice, but then the lights went dim, the engine stopped and then it started turning as if there was a bad battery. I let off the key for a second, and tried it twice more, but the engine turned li…

Check all the fuses, and it is possible you may have a fusible link, a wire that acts like a fuse, this may be helpful 2002 Chrysler PT Cruiser Alternator or ???: Electrical Problem ... Electrical problem 2002 Chrysler PT Cruiser 4 cyl Front Wheel Drive Manual 65000 miles Hi...we recentl…

I would think that the dealership that replaced and reflashed the PCM put the current Vin from the Cruisers VIN number. If they didn’t then I don’t think the PCM could communicate with the Body control module and the security system. As far as the Keys go. A new key can be cut from the one key that…

How old is the battery? Are the battery connectoins clean? Have you checked all the fuses? Have you looked and smelled around for the burnt smell? I would do that and what the others suggested before condemning the pcm.

The PCM had a faint smell on it when I took it off, but that was several days later. I don’t smell a burnt smell now. The battery was replaced last year, so it is still new. The battery didn’t get drained during the starting, I only turned the engine over a few times, and did not stay on it. The…

How did you get from a simple no-start problem to needing a PCM, with no intermediate diagnosis? The fact that the engine sounds like it’s out of time or no compression indicates a mechanical problem. The burning smell could have been your timing belt shredding. You don’t even know how long your U-f…

The code was not there until the problem started. I have tried cranking the car before removing the PCM and it did turn over with compression, it just didn’t seem timed, it didn’t sound right like it was fighting itself.

Here’s what I think happened: Either your battery was low (for whatever reason) or your starter is failing. That would explain the slow cranking. When battery voltage is low or with an internally shorted starter, the starter will draw an enormous amount of current from the battery, more than it i…

I did look and see the battery cables were very corroded, so i cleaned them. I put everything back together, and now the car turns over, slowly, but you can tell there is compression. I used the odometer trick of turning the key 3 times and got the new code from the computer and it shows p0522, wh…

If the car is turning over slowly with a full battery and good connections, it’s likely the starter is bad. It may not be starting because of the excessive voltage drop and the engine not cranking fast enough to fire.

2005 PT Cruiser starting problems/Possible bad PCM

Maintenance/Repairs

George_San_Jose1 March 7, 2015, 6:10am 4

Before replacing the PCM I’d be inclined to recharge the battery and do a spark and fuel pressure test. It may be something unrelated to the PCM that is causing it not to start. If the battery got drained during the starting attempts, that could easily explain the PCM/BCM miscommunication problem.

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2005 PT Cruiser starting problems/Possible bad PCM

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