ClaimRight · Warranty Denial Guides
Chevrolet Avalanche warranty claim denied?
1,970 manufacturer communications on file
6 warranty extensions / campaigns 1999–2014 model years covered
If your Chevrolet Avalanche warranty claim was just denied, it's understandable to feel frustrated — especially when you suspect the issue isn't isolated to your vehicle. It often isn't. Across the 1999–2014 Avalanche model years, General Motors has filed 1,970 manufacturer communications with NHTSA, including 6 formal warranty extensions or special coverage adjustments. These cover documented, recurring problems such as throttle position sensor failures, front and rear chrome interior door handle defects, and analog OnStar deactivation issues — problems the manufacturer itself acknowledged after the vehicles left the factory.
A denial at the dealer level isn't always the final word. Sometimes claims are declined because the service advisor didn't reference the applicable special coverage bulletin, or because supporting documentation wasn't submitted correctly. When a denial is challenged with the right paperwork and a clear connection to manufacturer-documented defects, outcomes can change.
ClaimRight offers a free, no-obligation assessment of your denial. We'll review your paperwork against the manufacturer's own service history for your vehicle and explain, in plain language, what options may be available to you — with no upfront cost and success-only pricing if we help you pursue a resolution.
What Chevrolet has documented for the Avalanche
Filed with NHTSA by the manufacturer. Warranty extensions are the strongest signal — the manufacturer acknowledging a defect and extending coverage for it.
2013-12-01 · 11273B
Warranty extension Special Coverage Adjustment ? Throttle Position Sensor Replacement
Official NHTSA document →
2013-06-01 · 11273A
Warranty extension Special Coverage Adjustment ? Throttle Position Sensor Replacement
Official NHTSA document →
2011-06-01 · SB-09239
Warranty extension CADILLAC CHEVROLET GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SPECIAL COVERAGE ADJUSTMENT-FRONT AND REAR CHROME INTERIOR DOOR HANDLE LEVER. SOME VEHICLES...
Official NHTSA document →
2008-11-01 · 08089-B
Warranty extension GENERAL MOTORS CORP: SPECIAL COVERAGE ADJUSTMENT; ANALOG ONSTAR DEACTIVATION. *PE UPDATED 2/17/09. *PE
Official NHTSA document →
2008-09-01 · 08-089B
Warranty extension BUICK CHEVROLET GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SPECIAL COVERAGE ADJUSTMENT-ANALOG ONSTAR DEACTIVATION. CSC LETTER WAS RECEIVED. *PE
Official NHTSA document →
2008-06-01 · 08-089
Warranty extension BUICK CADILLAC CHEVROLET GMC HUMMER OLDSMOBILE PONTIAC SAAB SATURN SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SPECIAL COVERAGE ADJUSTMENT-ANALOG ONSTAR DEACTIV...
Official NHTSA document →
· 00773
4L60E, 4L65E REPLACEMENT VALVE BODY GASKETS DOES NOT SEEM TO FIT. *TT
· 1656326
BULLETIN-SIT-BULLETIN-1656326: PIT3569. LOW TIRE LIGHT ON AND OR DIC CHECK TIRE PRESSURE MESSAGE WHEN COLD. *SC
· 3001
THE SERVICE INFORMATION AND OWNERS MANUAL DO NOT SHOW A SERVICE INTERVAL FOR THE 8.6, 9.5, 9.75, 10.5, AND 11.5 INCH REAR AXLES WITH OR WITHOUT G80 (LOCKING DIFFERENTIAL). *TT...
· 3061C
DIAGNOSTIC TROUBLE CODE C0327 WITH OR WITHOUT ADDITIONAL DIAGNOSTIC TROUBLE CODES SETTING. *TT
· 3075
BLOWN MBEC 1 OR LBEC 1 FUSE. *KB
· 3075B
BLOWN MBEC 1 OR LBEC 1 FUSE. *TT
· 3078
GREASE LEAK FROM FRONT HUB BEARING. *TT UPDATE. *TT
· 3118A
POP/CLUNK NOISE ON RIGHT OR LEFT TURNS. *TC *SC
· 3118B
POP CLUCK CLICK NOISE ON RIGHT OR LEFT TURNS. *EH
· 3190
UNABLE TO LOCATE EMERGENCY LIGHT RELAY AND/OR BLUNT CUT WIRES. *KB
· 3193
EXCESSIVE OIL CONSUMPTION. *EH
· 3203
RESONANCE NOISE AT IDLE. *EH
· 3232
1999 - 2005 GEN II COLD ENGINE MISFIRE AT IDLE WITH POSSIBLE P0171 AND/OR P0174. *TT
· 3236
SLOW TIRE LEAK OR LOW TIRE PRESSURE WARNING MESSAGE. *EH
· 3243
LEAK FROM THE VENT 4L80E/4L85E TRANSMISSION. *EH
· 3249
INTERMITTENT SIR LAMP WITH DIAGNOSTIC TROUBLE CODE B0044 OR B0026. *EH
· 3259C
4L80E, 4L85E WHINE NOISE IN FIRST AND SECOND GEAR. *TT
· 3260
CHECK THE PARK BRAKE OPERATION. *EH
· 3276
4L80E OUTPUT CARRIER THRUST WASHER CHANGES. *TT
Common questions
Why was my Chevrolet Avalanche warranty claim denied if GM issued a related bulletin?
Dealers sometimes deny claims because the service advisor didn't cross-reference an applicable special coverage bulletin, or because the paperwork submitted didn't clearly tie the repair to a documented issue. Special coverage adjustments, like those covering the throttle position sensor or door handles, aren't always automatically applied at the counter, which can lead to an initial denial even when the vehicle qualifies.
What is a 'special coverage adjustment' and does it apply to my Avalanche?
A special coverage adjustment is a manufacturer-issued extension of warranty protection for a specific, documented defect, separate from the vehicle's original warranty terms. For the Avalanche, GM has filed six such adjustments, including ones for the throttle position sensor and analog OnStar deactivation. Whether one applies depends on your model year, mileage, and repair history, which a documentation review can help clarify.
Can a denied warranty claim be reconsidered after the fact?
Yes, denied claims can sometimes be reconsidered, particularly when new documentation or a manufacturer bulletin supports the repair. This typically involves resubmitting the claim with clear evidence linking the vehicle's issue to a known, documented defect. Outcomes vary by case, but a free review of your denial paperwork is a reasonable first step to understand what options may be available.
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