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Help deciphering error codes...

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Old Mar 10, 2005 | 11:42 PM
  #1  
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Default Help deciphering error codes...

ok guys, here's what I have. 1997 C5 35k miles. All stock, no mods ever. Car was mostly kept in a garage over the last few years.

My question is, can someone help me undetand what's going on. From what I can tell, I have a few problems. Here's a list of DIC error codes. Any help is gratly appreciated.

Thanks. -Michael


1997 C5 Corvette
DIC codes pulled 3/10/05

10 PCM4
PO461HC
P0461 Fuel Level Sensor 1 Circuit Performance

PO463HC
P0463 Fuel Level Sensor 1 Circuit High Voltage

P1518H
P1518 PCM to TAC Module Serial Data Circuit

P1571H
P1571 ASR Desired Torque

28TCS-1278H
C1278H
C1278 TCS Temporarily Inhibited By PCM

80U1016H
80-Radio - Radio Not Found

AO-LDCM
A0-LDCM - Left Door Control Module

B2282H
B2282 Battery #1 Fault

B2284H
B2284 Battery #2 Fault

U1064H
U1064 Loss of Communication with BCM

AI-RDCM
B2283H
B2283 Battery #1 Fault

B2285H
B2285 Battery #2 Fault

U1255H
U1255 Serial Data Line Malfunction

U1064H
U1064 Loss of Communication with BCM

U1016H
U1016 Loss of Communication with PCM

U1096H
U1096 Loss of Communication with IPC
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Old Mar 10, 2005 | 11:45 PM
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Also, the car runs fine. Just wanted to see if I can fix the source of the problem. I would hate to get stranded...
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Old Mar 10, 2005 | 11:57 PM
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check battery for corrosion reset all codes. Look for water on floor and battery leaking on pcm. The one's with the c are the ones to be concerned about.
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Old Mar 11, 2005 | 01:43 AM
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Old Mar 11, 2005 | 10:34 AM
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Thanks. I'll start there. What about the TAC module? Is this one of my problems?
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Old Mar 11, 2005 | 11:07 AM
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Should I replace the fuel level sensor too? How much will this cost? I contacted Bob @ Fichtner Chevrolet and he has the TAC module for $207. My thinking is to replace both! Any suggestions? Thanks in advance.
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Old Mar 11, 2005 | 06:47 PM
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All of your codes are followed by an "H" which means they are history codes and are no longer faulting, reset them and don't worry.

Now for the current fault p0461 and p0463, do you have fuel gauge problems?

what type of gas do you use?
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Old Mar 11, 2005 | 06:54 PM
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Originally Posted by runamuk
All of your codes are followed by an "H" which means they are history codes and are no longer faulting, reset them and don't worry.

Now for the current fault p0461 and p0463, do you have fuel gauge problems?

what type of gas do you use?
You also may need to take a serious look at all you grounds and/or your battery.
BTW, the U1016H, U1064H and U1096H codes are extremely common and unless you are experiencing a specific problem with your RFA system, ignore all three. Lot's of folks here have had the same experience. I've experienced these three popping up from time to time for approx 5-6 years.
The advice regarding checking for water/moisture on your BCM is also good too. HTH
Robert
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