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- - Trouble codes (https://67-72chevytrucks.com/vboard/showthread.php?t=601256)

Re: Trouble codes

Quote:

Originally Posted by BR3W CITY (Post 6408862)

The generator codes may be because the 04 alternator has an internal regulator, and your engine/pcm would normally use a PCM controlled regulator. It doesn't see the voltage it would be trying to control. OR you have a short on one of the wires.

The p057c code came up as an SES for failed cruise control module. I'm guessing you might have something wired off the TCC/brake switch incorrectly (lol I know you and JorgenSC have gone back and forth on diagrams for this in the other thread).

can't find anything on the p2537

Thanks, I deleted out the first 3. I think we have the TCC wiring figured out, :lol:. I don't even have the 4th one in my DTC list in HPTuners. That's odd that it would even come up.

Re: Trouble codes

All I found so far, which I'm sure you have already found, was this:

OBD Code:
System:
Subsystem: P2537 Chevrolet – (ASE)
Powertrain
Vehicle Speed Control, Idle Controls, and Auxiliary Inputs