1994 Chevrolet Blazer TSBs
24 manufacturer communications for the 1994 Chevrolet Blazer sit in NHTSA's public file. A TSB is factory repair guidance, not a recall — the repair is not automatically free. The 1994 Blazer problem report covers complaints, recalls, and investigations.
What the bulletins cover
Most recent service bulletins
The 20 most recent of 24 communications on file. The complete set is searchable on NHTSA's page for this vehicle.
This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from…
This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from…
This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from…
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS.
POP SNAP NOISE IN THE FRONT SUSPENSION WHEN BRAKING.
DIAGNOSTIC INFORMATION FOR INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP, BUSY/CYCLING TCC OR NOISY COOLING FAN.
SUBJECT REGARDING ABS 3-SENSOR EBC4 - SPECIAL POLICY.
INTERMITTENT HESTIATIONS, LOW POWER, AND ROUGH RUNNING ENGINE IN COLD TEMPERATURES (REPLACE PCM).
SPECIAL POLICY ADJUSTMENT - LINEAR EXHAUST GAS RECIRCULATION SYSTEM.
ENGINE HARD TO START (REPLACE FUEL PUMP PULSATOR).
CAB FLOOR CRACKED AT FRONT SEAT ANCHOR REINFORCEMENT SPOT WELDS (REPLACE REINFORCEMENT AND WELD FLOOR CRACKS).
FUEL TANK NOISE, FUEL GAGE INACCURATE, REDUCED FUEL CAPACITY.
WINDSHIELD WIPER BLADE CHATTER(REPLACE WIPER ARM AND BLADE).
VEHICLE DOES NOT START READILY UPON CRANKING (REPLACE FUEL PUMP RELAY).
END GATE LATCH RATTLE (INSTALL REVISED STRIKER).
WATER LEAK AT THE A/C RECIRCULATION DOOR (INSTALL NEW HOOD HINGE SEAL).
STEPPER MOTOR CRUISE CONTROL WILL NOT RESUME OR RESET (REPLACE SMCC MODULE).
LIGHT SURGE AT HIGHWAY SPEEDS DURING LIGHT THROTTLE.
UNKNOWN
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.