C0550 · Manufacturer communications

BUICK · 2016-12-12

This Preliminary Information communication provides information to the technician about vehicles that have a Service AWD message and/or flashing Rear Drive Warning Instrument Panel Cluster indicator. Technician may find no communication with Rear Differential Clutch Control Module and or Diagnostic Trouble Code C0407, C0550, or no Diagnostic Trouble Code set. Technician will need to reprogram the Rear Differential Clutch Control Module with the latest calibration in Service Programming System. Technician should be advised if Diagnostic Trouble Code C0550 is set a updating using Service Programming System to the Rear Differential Clutch Control Module with the latest calibration is a temporary solution until the update becomes available to fix this. Technician should use published Service…

BUICK, CHEVROLET, GMC, PONTIAC, SATURN, SUZUKI · 2011-03-01

BUICK/CHEVROLET/GMC/PONTIAC/SATURN/SUZUKI: ALL WHEEL DRIVE SYSTEM INOPERATIVE AND DTC C0550 SET. VARIOUS CONCERNS MAY BE RELATED TO A LOW BATTERY SUCH AS BUT NOT EXCLUSIVE TO A NO CRANK OR SLOW ENGINE CRANK CONCERNS OR MAY HAVE RECENTLY HAD TO HAVE THE VEHICLE JUMP STARTED. THIS MAY OCCUR DUE TO LOW VOLTAGE PRESENCE IN THE SYSTEM. *PE UPDATED ON 06/16/2011. *KB

CHEVROLET, PONTIAC, SATURN · 2009-08-01

DIAGNOSTIC TIPS FOR POWER STEERING INOPERATIVE/STEERING WHEEL HARD TO TURN, POWER STEERING MESSAGE DISPLAYED ON DIC, DTC'S C0176, C0176, C0475, C0476, C0550, U2105, U2107 SET. *NJ UPDATED 2/17/10. *PE UPDATED 3/01/10. *PE

CHEVROLET, PONTIAC, SATURN · 2008-11-01

GENERAL MOTORS: ABS AND STABILITRAK LIGHTS ON DTC(S) U0121, C0550, C0186, C0196, C0710, C0252. THIS CONCERN CAN BE CAUSED BY WIRE HARNESS GOING TO EBCM, CHAFFING ON TRANSMISSION MOUNT OR METAL BRACKET. *PE

CHEVROLET, GMC · 2006-01-01

ANTILOCK BRAKE SYSTEM (ABS) LAMP ILLUMINATED, DIAGNOSTIC TROUBLE CODE (DTC) C0550) SET. *TT

PONTIAC · 2005-10-01

BRAKE SYSTEM LIGHT ON, ANTILOCK BRAKE SYSTEM (ABS) LIGHT ON, TRACTION CONTROL LIGHT ON, SERVICE BRAKE/ABS/TRACTION/STABILITY MESSAGE DISPLAYED, DTCS C0241, C0550, P0856 SET. *TT

ISUZU · 2005-02-01

SERVICE 4WD LIGHT ON 4WD INOPERATIVE HARSH ENGAGEMENT OF 4WD NO COMMUNICATION WITH TCCM DTC C0550 SET. *EH

CADILLAC, CHEVROLET, GMC · 2004-10-01

SERVICE MESSAGE DISPLAYED, DIAGNOSTIC TROUBLE CODE (DTC) C0550 SET (REPROGRAM EBCM). *MJ UPDATE. ORIGINAL NOT YET RECEIVED. *TT

CADILLAC, CHEVROLET, GMC · 2004-07-01

SERVICE STABILITY MESSAGE AND DIAGNOSTIC TROUBLE CODES (DTCS) C0455 OR C0550 SET. *TT GM ADMINISTRATIVE MESSATE. *TT

CHEVROLET, GMC · 2004-01-01

ABS TELLTALE ILLUMINATED, DIAGNOSTIC TROUBLE CODE C0550 STORED IN HISTORY.*MR

BUICK, CHEVROLET, GMC, OLDSMOBILE · 2003-08-01

SERVICE 4WD LIGHT ON, 4WD INOPERATIVE, HARSH ENGAGEMENT OF 4WD, NO COMMUNICATION WITH TRANSFER CASE CONTROL MODULE (TCCM), TCCM DIAGNOSTIC TROUBLE CODE (DTC) C0550 SET. *TT

CHEVROLET · 2003-05-19

2003 MODEL YEAR CK TRUCKS AND G-VANS WITH GREATER THAN 8600 GVW AND MANUAL HVAC CONTROLS MAY SET A DIAGNOSTIC TROUBLE CODE C0550 AND TURN ON THE ANTI-LOCK BRAKE SYSTEM (ABS) TELLTALE LAMP ON THE INSTRUMENT PANEL. *TT

CHEVROLET, GMC · 2003-03-25

ANTI-LOCK BRAKE SYSTEM (ABS) TELLTALE LIGHT BEING CONSTANTLY ILLUMINATED WITH A DIAGNOSTIC TROUBLE CODE C0550 BEING STORED. *TT *JB

CHEVROLET, GMC ·

ABS LIGHT ON WITH DTC C0550 ON MEDIUM DUTY MODELS C65 AND C75. *TT

CHEVROLET, GMC ·

ANTI-LOCK BRAKING SYSTEM (ABS) TELLTALE ILLUMINATED WITH DIAGNOSTIC TROUBLE CODE C0550. *TT

CADILLAC, CHEVROLET, GMC ·

INTERMITTENT SERVICE STABILITY MESSAGE DISPLAYED, HISTORY DIAGNOSTIC TROUBLE CODE C0550. *TT