The 1990 GMC P300 has 2 NHTSA recall campaigns affecting an estimated 3,890 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 1 complaint with NHTSA, most often about the parking brake. Last updated July 5, 2026.
Recall campaigns
PARKING BRAKE94V1830001994-09-273,762 affected
Defect
THE AUTO APPLY PARKING BRAKE SYSTEM FAILS TO RELEASE THE PARKING BRAKES AFTER ACTION HAS BEEN TAKEN TO RELEASE THEM OR THE SYSTEM MAY AUTOMATICALLY APPLY THE PARKING BRAKE WHILE THE VEHICLE IS IN MOTION. IN EITHER CASE, IF THE DRIVER DOES NOT NOTICE THE TELLTALE RED BRAKE LIGHT AND STOP THE VEHICLE, THE SYSTEM WILL…
Consequence
IF THE OPERATOR PARKS THE VEHICLE, APPLIES THE PARKING BRAKE WITH THE FAILED AUTO APPLY PARKING BRAKE SYSTEM, THE PARKING BRAKES WILL NOT SET AND THE VEHICLE CAN ROLL INADVERTENTLY.
Remedy
DEALERS WILL UPDATE THE COMPONENTS OF THE AUTO APPLY PARKING BRAKE SYSTEM, BLEED THE HYDRAULIC POWER SYSTEM, AND ADJUST THE PARKING BRAKE.
SERVICE BRAKES, HYDRAULIC93V2140001993-12-14128 affected
Defect
THE FRONT LEFT BRAKE PIPE CHAFES AGAINST THE POWER STEERING HOSE WHICH WEARS A HOLE IN THE BRAKE PIPE. THIS CAUSES A POTENTIAL LOSS OF BRAKE FLUID RESULTING IN LOSS OF FRONT BRAKE SYSTEM OPERATIONS.
Consequence
IF THIS OCCURS THE BRAKING EFFECTIVENESS OF THE VEHICLEDIMINISHES AND MAY RESULT IN A VEHICLE CRASH.
Remedy
DEALERS WILL INSTALL A NEW BRAKE PIPE WITH SUFFICIENT CLEARANCE TO PREVENT THIS CONDITION.
Complaints by component
PARKING BRAKE
1
Total complaints1
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“Thorson motor center 94v183. Dealership does not have the parts. Tt”
Defect investigations
InvestigationEA93023 Opened 1993-09-30 · closed 1994-09-29
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1990 GMC P300 as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
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