Otc C0550 Ecu Malfunction - GMC chervolet camaro 1999 Service Manual

5-220 Antilock Brake System
Brakes
OTC C0550 ECU Malfunction
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Hot At Al
Times
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Hot In RUNf
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~
Underhood
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Underhood
Data
link
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Connector
1
01str1bUtton
u
L2
Electrical
1Cell10 ABSBATT1 ABS.BATT2
'Center1
I MaxlFuse
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K2 MaxiFuse
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40A
50A I
I H9 ASS
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Distribution I
Electrical
I MinlFuse
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Cell 10 I
Center 2
I HS 10A I
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...
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____
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(DLC)
3 RED 302
5 RED 1802 0.8 PNK 739
O~PiI1132
"' - - - - - - - - - ., Underhood
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Power
ABS
BATT
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Electrical
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Distribution J11 MlnlFuse
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Center
1
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Cell
10
J10
25 A I
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2 BLK 651
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I Co~nector
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Cell 50
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0.35 LT BL~I1122
A3 C200D
0.35 LT BLU 1122
3 ORN 440
1
C200A
15 13 _________ 1~ ____________________ 8 ________________________ 25 C1
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Battery- - - - - - - - - - -
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Electronic
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Poaltlve
Positive
Positive Da1a
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Brake And
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Voltage Voltage Voltage
Line
1
Traction
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Class 2
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Control
I I Module
I I (EBCM/
1.. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-.iEBTCM)
G101
Circuit Description
This OTC identifies a malfunction within the
EBCM/EBTCM.
Conditions for Setting the OTC
OTC C0550 is set when an internal EBCM/EBTCM
malfunction exists.
,:' \ .
213303
Action Taken When the OTC Sets
• A malfunction DTC stores.
• The ABS!f CS disables.
• The amber ABS!fCS indicator(s) turn on.
• The Red BRAKE Warning indicator turn on.
Conditions for Clearing the OTC
• Condition for DTC is no longer present and scan
tool clear DTC function is used.
• 100 ignition cycles pass with no OTCs detected.
OTC C0550 ECU Malfunction
Step
Action Value{s)
Yes No
Go to ABS
1
Was the Diagnostic System Check performed?
-
Go to Step2
Diagnostic
System Check
2 Are any other DTC(s) present besides C0550?
-
Go to OTC Table Go to Step 3
Replace the EBCM/EBTCM. Refer to Electronic Brake
Goto ABS
3
Control Module (EBCM) Replacement. -
Diagnostic
-
Is the replacement complete?
System Check
(