2003 GMC C/K Series TSBs
9 Technical Service Bulletins across 6 categories
Engine
2 bulletinsGENERAL MOTORS: INFORMATION PROVIDED BY BULLETIN FOR ALL 2012 AND PRIOR GENERAL MOTOR TRUCKS AND PASSENGER VEHICLES...
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REGARDING THE ADJUSTABLE COMFORT AND CUSTOM UPHOLSTERY OF THE DRIVER AND THE PASSENGER HEAD RESTRAINT. *PE
CRANKSHAFT REAR OIL SEAL LEAKS DURING EXTREME COLD WEATHER OPERATION.
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ON CERTAIN MODELS INCLUDING THE CHEVROLET AND GMC C4500/C5500 MODELS. *TT
Body & Paint
2 bulletinsGM: ON SOME TRUCK MODELS THERE IS SOME FRAME CORROSION.
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*RM UPDATED ON 5/2/2012. *KB
UNNEEDED REPLACEMENT OF POWER-FOLDING MIRRORS.
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*TT
Electrical
2 bulletinsPASSENGER DOOR MODULE REPLACEMENT.
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2003 CHEVROLET, GMC AND CADILLAC FULL-SIZE CK PICK-UP AND UTILITY TRUCKS. *TT
TECH 2 UPDATE AVAILABLE FOR THE PASSENGER DOOR MODULE.
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*TT *JB
Brakes
1 bulletinCUSTOMERS MAY COMMENT ON A DISPLAYED WARNING MESSAGE INDICATING REDUCED BRAKE POWER ON 2003 FULL-SIZE PICKUPS AND UTILITY VEHICLES.
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*TT
Steering
1 bulletinSAAB/HUMMER/GM: DIAGNOSTIC TIPS/RECOMMENDATIONS WHEN POWER STEERING PUMP REPLACEMENT IS NECESSARY.
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ANALYSIS OF RETURNED POWER STEERING (PS) PUMPS THAT HAD BEEN REPLACED FOR NOISE, NO POWER ASSIST, NO OR LOW PRESSURE AND LEAKING CONDITIONS HAS INDICATED A HIGH NUMBER OF NO TROUBLE FOUND RESULTS. ALL 1997-2010 VEHICLES AND LIGHT TRUCKS; 2010 AND PRIOR HUMMERS H2/H3 AND SAAB 9-7X VEHICLES. *PE
Other
1 bulletinNO START CONDITION ON TRUCKS WITH VEHICLE STABILITRACK, REAL TIME DAMPENGING, OR AUTO RIDE OR NYS, QUADRASTEER.
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*TT