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C1298 c1248 and u1040

I do not understand these codes.

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SOURCE: I have a 2001 Cadillac Deville. When I got it

Did you get it scanned because you have an electrical fault ?
Sorry , these codes as meaningfull to you as me .
I am just grabbing at straws , its just that if sometimes you get fault codes for loads of different things it may turn out that its electrical , may even be a relay gone ! Grabbing at straws ,as I said.

Posted on Aug 05, 2013

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I need somebody help th this codes


http://www.cadillacforums.com/forums/suspension-brakes-tires/175079-service-stability-sys-c1214-c1248-help.html#/topics/175079?_k=qjgisg

Sep 03, 2016 | 2003 Cadillac CTS

1 Answer

What is the c1298,u1000, p0401 codes for 2004 alero?


If you have that many codes, and it is the basic codes, you can go to O Riley auto parts and they will scan it free and tell you the results!

Feb 15, 2016 | Cars & Trucks

1 Answer

What does this code mean c1298 on a 2000 pontica venture van


see www.iatn.net/techmail/summaries/2007/01/C1298-dtc.html

Jun 27, 2015 | Cars & Trucks

1 Answer

I have a 2001 Cadillac Deville. When I got it scanned these codes came up: C1214, C1248, C1277, C1298, P0410, P0420(x2). Can you tell me what they mean?


Did you get it scanned because you have an electrical fault ?
Sorry , these codes as meaningfull to you as me .
I am just grabbing at straws , its just that if sometimes you get fault codes for loads of different things it may turn out that its electrical , may even be a relay gone ! Grabbing at straws ,as I said.

Aug 05, 2013 | Cars & Trucks

1 Answer

What is the most common cause of service code U1040 in a 2002 Pontiac Grande AM GT?


DTC U1040 indicates that the ABS module is not capable
of sending its state of health message. ( and this makes the ABS Light not flash ) check connections on the Module ...all fuses ...

Possable causes :
Open ABS fuse
Open battery circuit
Open ground circuit
Open serial data circuit
Short to ground in power circuit
ECU malfunction

I found a code chart at another web site.U1040 indicates no serial data communication with ABS module.I checked for wake up signal,it was there.I checked ground connection,it was good.I checked for B+ at module with DVOM and had battery voltage at both pins.I then load tested both B+ terminals and found the circuit was faulty.I went to the 30 amp ABS fuse and did a voltage drop test .I found the female connectors that the fuse plugged in to did not make good connection with the fuse.I bent the fuse pins outward and reinstalled.The ABS module came back on line.This bike has less than 2500 miles on it and this connection is already faulty.Is there a way to look up TSB'S for harley?.Bending the fuse pins is only a temperary fix.If there is no TSB for this problem I'm going to wire in a ATO fuse instead of the mini that Harley uses.The ABS motor draw on every start up appears to be excessive for that mini fuse connector.

Dec 23, 2012 | Cars & Trucks

1 Answer

What does code u1040 mean????


what does u1040, c1298, and c1248 mean for my car?

Oct 16, 2012 | 2002 Pontiac Bonneville

2 Answers

2001 cavalier codes


P0621 - indicates a failure in the alternator lamp curcuit.
P0304 - indicates a miss fire was detected in the #4 cylinder
U1040 - indicates a loss of communication with the ABS system
U1000 - Indicates a class 2 communication loss

None of those codes are relating to a transmission failure (P0700-P0702)

I would have a visual look at the transmission and verify that all electrical wires are connected and tight. Then I would have the transmission serviced if it hasn't been within the last 35,000 miles.

Have the trouble codes cleared and address the ones that return.

After that you may be looking at an internal transmission adjustment and/or repair.

Good luck.

Nov 24, 2008 | 2001 Chevrolet Cavalier

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