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1999 GMC C6500 recalls

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

4 recalls found in NHTSA data as of September 22, 2026

For the 1999 GMC C6500. These apply to the model and year, not to one particular vehicle: check your VIN to see whether yours is included and whether it has been repaired.

Has your GMC been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A GMC dealer can also check your VIN. Recall repairs are free.

1999 GMC C6500 recalls, newest first

November 4, 2002NHTSA 02V2870002,011 vehicles potentially affected

Engine and engine cooling › Engine › Gasoline

Summary
Certain medium duty c-series and B7 school bus chassis equipped with a 7.4 liter gas engine and an impco LPG conversion kit. Some of these vehicles may have engine backfires with sufficient force to damage the engine air intake system and the air cleaner filter element.
Consequence
If the damaged air cleaner parts are dislodged from their normal position, these parts could come in contact with the hot exhaust manifold and/or hot exhaust gas recirculation (EGR) valve tube resulting in a possible engine compartment fire.
Remedy
Dealers will install a redesigned mixer bonnet and air cleaner housing cover, selective upgrades in various connections related to the air induction system, and if needed, a new air cleaner filter. Owner notification began December 18, 2002. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact Chevrolet at 1-800-222-1020 or GMC at 1-800-462-8782.

This recall on nhtsa.gov

September 7, 2000NHTSA 00V23200830,000 vehicles potentially affected

Service brakes, air › Antilock

Summary
Vehicle description: school buses, medium duty trucks and tractors built with bendix air ABS with an EC-17 1030R electronic control unit (ECU), there have been reports of unwanted ABS activation at low speeds caused by 1) chafed ABS wheel speed sensor wires on rotating parts or 2) a damaged component at the wheel end that generates a certain type of erratic sensor signal.
Consequence
This condition could cause the ABS ECU to exhaust the air at the air brake modulators for one or more of the wheels. This could result in extended braking distances and a possible crash.
Remedy
Dealers will replace the ABS ECU.

This recall on nhtsa.gov

August 23, 2000NHTSA 00V23600012,603 vehicles potentially affected

Power train › Automatic transmission

Summary
Vehicle description: medium duty trucks. The transmission fluid could leak from a heat degraded transmission fluid cooler hose onto the exhaust system on the passenger's side of the vehicle.
Consequence
This condition could result in a fire.
Remedy
Dealers will install a new transmission fluid cooler inlet hose and outlet hose designed with a heat sleeve and ensure adequate clearance to the exhaust system take-down pipe. Dealers will also inspect the right-hand exhaust manifold seal for leakage, and replace if necessary.

This recall on nhtsa.gov

November 15, 1999NHTSA 99V320000391 vehicles potentially affected

Power train › Automatic transmission

Summary
Vehicle description: medium duty conventional cab trucks and school bus chassis equipped with an automatic transmission, have transmission shift cable end rods that have not been crimped to the proper specification. Over time, the shift cable could be pulled out of the rod end causing the driver to lose the ability to manually change transmission gears.
Consequence
With this condition, the vehicle may move in a direction not anticipated by the driver, increasing the risk of a crash.
Remedy
Dealers will install a new shift cable.

This recall on nhtsa.gov

Owner complaints

No owner complaints about the 1999 GMC C6500 were found in NHTSA’s complaint data.

Other GMC C6500 years

Other 1999 GMC models

Most recalled 1999 vehicles

  1. 1999 Ford F-250 (19 recalls)
  2. 1999 Ford F-150 (18 recalls)
  3. 1999 Honda Accord (17 recalls)
  4. 1999 Chevrolet Silverado (16 recalls)
  5. 1999 Blue Bird All American (16 recalls)
All of 1999’s most recalled vehicles

Questions

Does the 1999 GMC C6500 have any recalls?
4 recalls found in NHTSA data as of September 22, 2026, covering: engine and engine cooling, service brakes, air, power train. Recalls apply to the model and year; whether a particular vehicle is included, and whether it has been repaired, depends on its VIN.
How do I check if my 1999 GMC C6500 recall has been fixed?
Enter your 17-character VIN at nhtsa.gov/recalls, or ask a GMC dealer. Recall repairs are free. NHTSA's VIN search doesn't list recalls that were already repaired.
How many complaints have owners filed about the 1999 GMC C6500?
0 complaints filed with NHTSA. Complaints are unverified reports from the public that NHTSA uses to decide what to investigate.