Battery Drain Issues - DTC Codes

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Jan 3, 2011 | 04:16 PM

Ironman433

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Instructor

Joined: Dec 2009

Posts: 180

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From: Montrose CO

Battery Drain Issues - DTC Codes

As many have advised to do, I read all of the DTC Codes in manual mode and these are the ones that came up. I have never cleared the codes in the year that I've owned the car. There was only one listed as current:

BCM:
B0433 H: Rear Defogger Relay Circuit
B2528 H: Horn Relay Circuit
B2578 H: Right Front Turn Signal Monitor Circuit
B2583 H: Left Front Turn Signal Monitor Circuit
B2588 H: Column Lock/Unlock Drive A
B2593 H: Column Lock/Unlock Drive B

AO - LDCM:
B2282 H: Battery #1 Circuit
B2284 H: Battery #2 Circuit
U1064 H: Loss of Communications with BCM

A1 - RDCM:
B2283 H: Battery #1 Circuit
B2285 H: Battery #2 Circuit
U1064 H: Loss of Communications with BCM

A6 - SCM:
B0851 H: Battery 1 Out of Range
B2605 H: Seat Front Vert. Position Sensor Failure

BO - RFA:
U1255 H: Serial Data Line Malfunction
C2120 H: TPM System Malfunction
C2121 C: TPM System Programming Malfunction

Any suggestions on what needs repaired to stop my battery from always being drained...??

Jan 3, 2011 | 05:05 PM

87SAM

Safety Car

Joined: Jan 2001

Posts: 4,386

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From: Boise ID

Have you had the battery unhooked in the last year (or near dead battery), sometimes this can cause codes. At this point I would clear them all and monitor for anything which may come back.

Jan 3, 2011 | 09:47 PM

Ironman433

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Instructor

Joined: Dec 2009

Posts: 180

Likes: 1

From: Montrose CO

Quote:

Originally Posted by 87SAM

Have you had the battery unhooked in the last year (or near dead battery), sometimes this can cause codes. At this point I would clear them all and monitor for anything which may come back.

Yes. I've been having random battery draining issues. I had the two week old battery out and on a charger this weekend. It said it accepted 100% charge and I put it back in to read the codes.

I just took it on a few errands and came up with three changes when I got back:

BCM:
B0433 H: Rear Defogger Relay Circuit
B2528 H: Horn Relay Circuit
B2578 H: Right Front Turn Signal Monitor Circuit
B2583 H: Left Front Turn Signal Monitor Circuit
B2588 H: Column Lock/Unlock Drive A
B2592 H: Column Lock/Unlock Drive B
B2593 H: Column Lock/Unlock Drive B

99 - HVAC:
B0367 H: Right Actuator Feedback Open

AO - LDCM:
B2282 H: Battery #1 Circuit
B2284 H: Battery #2 Circuit
U1064 H: Loss of Communications with BCM

A1 - RDCM:
B2283 H: Battery #1 Circuit
B2285 H: Battery #2 Circuit
U1064 H: Loss of Communications with BCM

A6 - SCM:
B0851 H: Battery 1 Out of Range
B2605 H: Seat Front Vert. Position Sensor Failure

BO - RFA:
U1255 H: Serial Data Line Malfunction
C2120 H & C: TPM System Malfunction
C2121 C: TPM System Programming Malfunction

Jan 8, 2011 | 06:02 PM

Z06ufgrad2002

Safety Car

Joined: Nov 2002

Posts: 4,394

Likes: 6

From: Melbourne FL

You should clear all those codes and see which one's come back. Make sure you've got a good battery as many codes can be caused by a low voltage situation.

Jan 8, 2011 | 06:17 PM

lucky131969

Tech Contributor

Joined: Jan 2007

Posts: 19,397

Likes: 1,137

From: Dyer, IN

Quote:

Originally Posted by Z06ufgrad2002

You should clear all those codes and see which one's come back. Make sure you've got a good battery as many codes can be caused by a low voltage situation.

http://forums.corvetteforum.com/c5-t...dtc-codes.html

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