HELP!!!! Codes......C41 H41 H72 H74
Thread Starter
Burning Brakes
Joined: Feb 2003
Posts: 1,218
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From: Rolla Mo
HELP!!!! Codes......C41 H41 H72 H74
I just started spitting these codes, and when I display the codes on the readout, when it cycles from 1 to 4.0 speedometer displays err.
Other symptoms:
1. No speedometer reading, just 0
2. English/Metric does work
3. HVAC head appears okay
4. The check guages light is also lit
Thanks,
Doug
[Modified by Dougs 90, 6:26 PM 4/20/2003]
[Modified by Dougs 90, 6:36 PM 4/20/2003]
Other symptoms:
1. No speedometer reading, just 0
2. English/Metric does work
3. HVAC head appears okay
4. The check guages light is also lit
Thanks,
Doug
[Modified by Dougs 90, 6:26 PM 4/20/2003]
[Modified by Dougs 90, 6:36 PM 4/20/2003]
Team Owner
Joined: Oct 2000
Posts: 29,937
Likes: 22
St. Jude Donor '03-'04
Cruise-In 1-2-3-4-5 Veteran
Re: HELP!!!! Codes......C41 H41 H72 H74 (Dougs 90)
41 - Loss of ECM serial data communications.
72 - LED dimming output circuit open or shorted to ground
74 - LED dimming output circuit open or shorted to ground
Your code 41 could be all sorts of nasty things, but it could also be just a loose cable at theCCM. 72 and 74 probably indicate a bad photo diode on the dash panel.
72 - LED dimming output circuit open or shorted to ground
74 - LED dimming output circuit open or shorted to ground
Your code 41 could be all sorts of nasty things, but it could also be just a loose cable at theCCM. 72 and 74 probably indicate a bad photo diode on the dash panel.
1st Gear
Joined: Apr 2020
Posts: 1
Likes: 0
Died On Fwy
Help ,
My 93 C-4 was going down the fwy just fine , Service engine soon light did come on then about 10 mins later just quit shut down all electrical inside car was working , Thought maybe fuel pump . would it have just shut down like that ?
Pulled up codes
1--C41
H41
H54
H74
9--H64 h72 ..
Frustrating because at least I thought it was running well before this
My 93 C-4 was going down the fwy just fine , Service engine soon light did come on then about 10 mins later just quit shut down all electrical inside car was working , Thought maybe fuel pump . would it have just shut down like that ?
Pulled up codes
1--C41
H41
H54
H74
9--H64 h72 ..
Frustrating because at least I thought it was running well before this
