help
Thread Starter
Racer
Joined: Mar 2003
Posts: 457
Likes: 0
From: albany ny
help
99 c5 traction control code c1236h low system supply voltage. What could cause this. :banghead: voltage ranges from 13.6 to 13.9 did drop to 13.2 for split second voltage never stays the same bounces between 13.6 and 13.9
Team Owner
Joined: Jan 2003
Posts: 21,189
Likes: 19
From: Freestate Corvette Club! Elkridge, MD
St. Jude Donor '17
Re: help (ITSovr4U)
After you reset the code, did it come back? Also - The low voltage referred to does not sound like a charging system issue. If you are getting the code, it sounds like a bad component (maybe as simple as a burnt resistor or a bad capacitor in a control module) . Either way, the traction control system requires a specific voltage to function (2.2 volts?) I forget, but the drop is most likely caused by a fauly component
Thread Starter
Racer
Joined: Mar 2003
Posts: 457
Likes: 0
From: albany ny
Re: help (Ragtop_Rob)
Yes the code came back after being reset i just had 410's put in two days ago. You can see the lights dim a little bit when you turn on the directional. It started to do this after the rear was installed but i do not believe the problem is related to this. :banghead:
Team Owner
Joined: Jan 2003
Posts: 21,189
Likes: 19
From: Freestate Corvette Club! Elkridge, MD
St. Jude Donor '17
Re: help (ITSovr4U)
Do you have a multitester, if so start the car up and check to see how much voltage is going to the battery, then put the system under a load (turn on the high beams) and make sure there is still aroind 13 volts, this will totally eliminate the charging system as a culprit. It is strange that the turn signal is causing the headlights to dim.
After that, unfortunatly, it will get a bit more complex to diagnose the low voltage problem.
After that, unfortunatly, it will get a bit more complex to diagnose the low voltage problem.
