← New search

1999 Chevrolet Silverado 1500

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 1999 Chevrolet Silverado 1500 do not stand out strongly from the model-year median of 525.

About this comparison →

When problems were reported

Mileage at the reported incident

418 reports with mileage · 169 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Service Brakes, Hydraulic. Review the 222 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes. Review the 126 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Structure. Review the 53 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

43 crash reports5 fire reports18 injury reports

What owners actually said

587 reports
Mileage unknown · Jul 16, 2003
Latches/locks/linkages

CONSUMER STATED THAT IT WOULD BE HARD TO OPEN THE FRONT DRIVER'S SIDE DOOR FROM THE INSIDE OR OUTSIDE. DEALER NOTIFIED. *AK

NHTSA ODI #10029440

Mileage unknown · Jun 16, 2003
Service Brakes, Hydraulic

ABS SYSTEM WENT OUT ON MY 1999 CHEVROLET SILVERADO AT 60,000 MILES. DEALERSHIP SAYS THEY ARE SEEING HUNDREDS OF THESE. *NLM

NHTSA ODI #10023163

71,500 miles · Apr 27, 2003
Service Brakes, Hydraulic

ABS LIGHT COME ON. ABS MOTOR BEGAN TO BUZZ AND WOULD NOT STOP WHEN THE ENGINE WAS SHUT OFF. I HAD TO TAKE THE FUSE OUT THAT WAS FOR THE ABS BRAKES. THE BRAKE LIGHT AND ABS LIGHT STAY ON THE DASH. I RECENTLY HAD VALID BREAK ISSUES AND I WAS NOT ABLE TO TELL DUE TO THE STAYING ON CONTINUALLY. *NLM

NHTSA ODI #10016588

73,000 miles · Apr 7, 2003
Service Brakes, Hydraulic

ABS COMPUTER FAILED IN MY 1999 CHEVROLET K1500 SILVERADO PICKUP. THE MODULE MAKES A CONTINUOUS NOISE LIKE A SMALL ENGINE RUNNING EVEN WITH THE KEY REMOVED FROM THE IGNITION. THE ONLY WAY TO STOP THE NOISE IS TO DISCONNECT THE BATTERY OR REMOVE THE ABS 60 AMP FUSE. DEALER INFORMS ME THE PART COSTS $875.00 IN CHECKING WITH U…

Read full complaint

ABS COMPUTER FAILED IN MY 1999 CHEVROLET K1500 SILVERADO PICKUP. THE MODULE MAKES A CONTINUOUS NOISE LIKE A SMALL ENGINE RUNNING EVEN WITH THE KEY REMOVED FROM THE IGNITION. THE ONLY WAY TO STOP THE NOISE IS TO DISCONNECT THE BATTERY OR REMOVE THE ABS 60 AMP FUSE. DEALER INFORMS ME THE PART COSTS $875.00 IN CHECKING WITH USED PARTS SHOPS I FOUND THIS PART IS IN VERY HIGH DEMAND -- MUCH GREATER THAN THEY CAN SUPPLY. ONE USED PARTS DEALER TOLD ME THEY HAD 18 REQUESTS THIS YEAR ALONE. THE CHEVROLET DEALER HESITATINGLY ADMITTED THEY REPLACE LOTS OF THESE. WITH THE FUSE REMOVED THE VEHICLE IS DRIVABLE BUT WITHOUT THE ABS FUNCTION. THE DASH BOARD DOES HAVE INDICATORS CONSTANTLY LIT FOR BRAKES AND ABS. *JB

NHTSA ODI #10014065

Mileage unknown · Apr 3, 2003
Structure

THE DRIVER'S SEAT FRAME BROKE WITH OUT WARNING. *JB

NHTSA ODI #10015123

51,597 miles · Feb 18, 2003
Electrical System

MAJOR GUARD WARRANTY.9/16/02 NEW BATTERY & BULB REPLACED. 10/5/02 REPLACED THE BATTERY. 10/16/02 BATTERY WENT DEAD. LOOSE GROUND CABLE ON ENGINE BLOCK. BATTERY REPLACED. 11/4/02 BATTERY DEAD. VOLT GAUGE FLUXUATING AND BURN SMELL. ALTERNATOR AND ALTERNATOR CONNECTER REPLACED. 11/11/02, BURNT SMELL AND BATTERY IS DEAD. REPLACE BC…

Read full complaint

MAJOR GUARD WARRANTY.9/16/02 NEW BATTERY & BULB REPLACED. 10/5/02 REPLACED THE BATTERY. 10/16/02 BATTERY WENT DEAD. LOOSE GROUND CABLE ON ENGINE BLOCK. BATTERY REPLACED. 11/4/02 BATTERY DEAD. VOLT GAUGE FLUXUATING AND BURN SMELL. ALTERNATOR AND ALTERNATOR CONNECTER REPLACED. 11/11/02, BURNT SMELL AND BATTERY IS DEAD. REPLACE BCM & REPROGRAM BCM AND BATTERY. 12/19/02 PCM NOT COMMANDING ALTERNATOR TO CHARGE BATTERY. AT. IDLE ONE MINUTE THE ALTERNATOR IS PUTTING OUT 13 AMPS AND THE NEXT 10 AMPS. REPLACED PCM & REPROGRAM AND REPLACED BATTERY. REPLACED PASSLOCK SENSOR CASE. PASSLOCK SENSOR READS INVALID WHEN KEY UP MOST OF THE TIME AND VOLTAGE DOESN'T DROP OFF OF 5 VOLT. IGNITION SWITCH NOT READING PASSLOCK RESISTANCE CORRECTLY. REPLACED IGNITION SWITCH. 1/24/03 ALTERNATOR ONLY PUTTING OUT 58.6 AMPS. REPLACED ALTERNATOR AND BATTERY AND BATTERY INSULATOR. REPLACED LEFT TAILIGHT BULB.BCM NOT POWERING DOWN AT TIMES PER GM REGIONAL TECH.BILL YODE,MINNESOTA DIAGNOSIS. BCM REPLACED & REPROGRAMED. THE GENERATOR VOLTAGE WAS FLUXUATING. 12 HZ ELECTRICAL FEEDBACK FROM THE CHARGING CIRCUIT AFFECTING THE GAUGES. REWIRED CONNECTOR PER BULLETIN # 02-07-30-030. MAKES THE ALTERNATOR EXTERNALLY REGULATED BY PCM INSTEAD OF INTERNALLY REGULATED BY THE REGULATOR. LO# N8505. BILL YODER WAS WORKING ON THE VEHICLE FOR TWO DAYS. 2/3/03. TRANSMISSION NOT SHIFTING PROPERLY, HEADLIGHTS DIM. SINCE 9/02, CONTACTED JAMES CLARK CUSTOMER RELATIONSHIP MANAGER WITH CHEVROLET DIVISION SEVERAL TIMES, BUT WILL NOT ANSWER MY PHONE CALLS. CONTACTED BBB AND THEY WOULD NOT LOOK INTO THE CASE, AND WOULD NOT RETURN MY CALLS.DATED BACK 1/28/00 HOOD LAMP REPLACED. 11/13/00 THE POWERTRAIN CONTROLLER REPROGRAM, VEHICLE STALLED,DASH LIGHTS ON. FUEL GAUGE RECEIVING DIFFERNET READINGS. 5/7/01 HOOD LAMP, & BOTH DAYTIME RUNNING LIGHT BULBS REPLACED. 1/16/02 HOOD LAMP REPLACED. 1/18/02 REMOTE CD PLAYER REPLACED. 5/6/02 LEFT FRONT DOOR & LEFT REAR SPEAKERS REPLACED.

NHTSA ODI #10007700

65,000 miles · Feb 14, 2003
Service Brakes, Hydraulic

THE ABS MODULE FAILED, WHICH CAUSED THE VEHICLE TO EXPERIENCE EXTENDED STOPPING DISTANCE.*JB

NHTSA ODI #10007420

24,000 miles · Feb 14, 2003
Vehicle Speed Control

THE ACCELERATOR PEDAL HAD BECOME STUCK WHEN SHIFTED FROM PARK TO DRIVE OR REVERSE. *JB ONE HAS TO PUSH HARD ON THE PEDAL TO GET THE VEHICLE TO MOVE, WHICH CAUSED SUDDEN ACCELERATION. SCC

NHTSA ODI #10007413

Mileage unknown · Jan 16, 2003
Service Brakes, Air

WHILE APPLYING THE BRAKE, THE ABS BRAKING SYSTEM APPEAR ON THE PANEL. WITHOUT BRAKES, THE ABS MOTOR CONTINUE TO RUN UNTIL THE CONSUMER DISCONNECTED THE SYSTEM. DEALER IS AWARE OF THE PROBLEM. PH

NHTSA ODI #10004078

54,000 miles · Jan 10, 2003
Service Brakes, Hydraulic

WHEN THE ABS ENGAGES, IT CAUSES THE CONSUMER TO LOSE CONTROL OF THE STOPPING DISTANCE WITHOUT ANY WARNING. CONSUMER HAS TO DISCONNECT THE FUSES. *JG *JB

NHTSA ODI #10001477

Official recalls

0

No recalls in this snapshot.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

2

EA04011 · Parking Brake Failure

Opened Apr 9, 2004 · Closed May 10, 2005

Status: closed (inferred from source dates) · Parking Brake; Parking Brake:conventional; Parking Brake:conventional:mechanical; Parking Brake:conventional:mechanical:linkage And Cable

IN A LETTER DATED APRIL 20, 2005, GM NOTIFIED NHTSA THAT IT HAD DECIDED THAT DEFECTS THAT RELATE TO MOTOR VEHICLE SAFETY EXIST IN CERTAIN MODEL YEAR (MY) 1999-2002 C/K 1500 SERIES (PBR PARKING BRAKE SYSTEM) AND MY 2001-2005 C/K 2500 AND 3500 SERIES (TRW PARKING BRAKE SYSTEM) PICKUPS WITH MANUAL TRANSMISSIONS.ACCORDING TO GM, SOME OF THESE VEHICLES MAY HAVE CONDITIONS THAT CAUSE THE FRICTION LININGS TO WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.GM'S ACTION COVERS AN ESTIMATED TOTAL OF 142,585 VEHICLES.DEALERS WILL INSTALL A LOW-FORCE SPRING CLIP RETAINER FOR VEHICLES EQUIPPED WITH THE PBR PARKING BRAKE SYSTEM AND INSTALL A REDESIGNED PARKING BRAKE CABLE ASSEMBLY ON VEHICLES EQUIPPED WITH THE TRW PARKING BRAKE SYSTEM. A TOTAL OF 58 NON-DUPLICATIVE COMPLAINTS WERE RECEIVED BY ODI AND GM CONCERNING THE APPROXIMATELY 59,000 MY 1999-2002 C/K 1500 SERIES PICKUP TRUCKS WITH THE PBR PARKING BRAKE SYSTEM.THESE INCLUDED 22 ALLEGED ROLLAWAY INCIDENTS, RESULTING IN A RATE OF 38.5 ROLLAWAY INCIDENTS PER 100,000 VEHICLES.ODI IS AWARE OF 24 COMPLAINTS REGARDING THE MY 2001-2005 C/K 2500 AND 3500 SERIES MANUAL TRANSMISSION TRUCKS RECALLED BY GM, INCLUDING 5 ALLEGING ROLLAWAY INCIDENTS.THOUGH THE CONDITIONS DESCRIBED IN GM'S LETTER ARE ALSO PRESENT IN THE C/K TRUCKS WITH AUTOMATIC TRANSMISSIONS, THE ROLLAWAY RATE IN THOSE VEHICLES WAS SIMILAR TO THOSE OBSERVED IN PEER VEHICLES STUDIED BY ODI IN THIS INVESTIGATION.THIS ENGINEERING ANALYSIS IS CLOSED. FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.

Additional source detail variants (4)

Parking Brake:conventional

IN A LETTER DATED APRIL 20, 2005, GM NOTIFIED NHTSA THAT IT HAD DECIDED THAT DEFECTS THAT RELATE TO MOTOR VEHICLE SAFETY EXIST IN CERTAIN MODEL YEAR (MY) 1999-2002 C/K 1500 SERIES (PBR PARKING BRAKE SYSTEM) AND MY 2001-2005 C/K 2500 AND 3500 SERIES (TRW PARKING BRAKE SYSTEM) PICKUPS WITH MANUAL TRANSMISSIONS.ACCORDING TO GM, SOME OF THESE VEHICLES MAY HAVE CONDITIONS THAT CAUSE THE FRICTION LININGS TO WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.GM'S ACTION COVERS AN ESTIMATED TOTAL OF 142,585 VEHICLES.DEALERS WILL INSTALL A LOW-FORCE SPRING CLIP RETAINER FOR VEHICLES EQUIPPED WITH THE PBR PARKING BRAKE SYSTEM AND INSTALL A REDESIGNED PARKING BRAKE CABLE ASSEMBLY ON VEHICLES EQUIPPED WITH THE TRW PARKING BRAKE SYSTEM. A TOTAL OF 58 NON-DUPLICATIVE COMPLAINTS WERE RECEIVED BY ODI AND GM CONCERNING THE APPROXIMATELY 59,000 MY 1999-2002 C/K 1500 SERIES PICKUP TRUCKS WITH THE PBR PARKING BRAKE SYSTEM.THESE INCLUDED 22 ALLEGED ROLLAWAY INCIDENTS, RESULTING IN A RATE OF 38.5 ROLLAWAY INCIDENTS PER 100,000 VEHICLES.ODI IS AWARE OF 24 COMPLAINTS REGARDING THE MY 2001-2005 C/K 2500 AND 3500 SERIES MANUAL TRANSMISSION TRUCKS RECALLED BY GM, INCLUDING 5 ALLEGING ROLLAWAY INCIDENTS.THOUGH THE CONDITIONS DESCRIBED IN GM'S LETTER ARE ALSO PRESENT IN THE C/K TRUCKS WITH AUTOMATIC TRANSMISSIONS, THE ROLLAWAY RATE IN THOSE VEHICLES WAS SIMILAR TO THOSE OBSERVED IN PEER VEHICLES STUDIED BY ODI IN THIS INVESTIGATION.THIS ENGINEERING ANALYSIS IS CLOSED. FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.

Parking Brake:conventional:mechanical

IN A LETTER DATED APRIL 20, 2005, GM NOTIFIED NHTSA THAT IT HAD DECIDED THAT DEFECTS THAT RELATE TO MOTOR VEHICLE SAFETY EXIST IN CERTAIN MODEL YEAR (MY) 1999-2002 C/K 1500 SERIES (PBR PARKING BRAKE SYSTEM) AND MY 2001-2005 C/K 2500 AND 3500 SERIES (TRW PARKING BRAKE SYSTEM) PICKUPS WITH MANUAL TRANSMISSIONS.ACCORDING TO GM, SOME OF THESE VEHICLES MAY HAVE CONDITIONS THAT CAUSE THE FRICTION LININGS TO WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.GM'S ACTION COVERS AN ESTIMATED TOTAL OF 142,585 VEHICLES.DEALERS WILL INSTALL A LOW-FORCE SPRING CLIP RETAINER FOR VEHICLES EQUIPPED WITH THE PBR PARKING BRAKE SYSTEM AND INSTALL A REDESIGNED PARKING BRAKE CABLE ASSEMBLY ON VEHICLES EQUIPPED WITH THE TRW PARKING BRAKE SYSTEM. A TOTAL OF 58 NON-DUPLICATIVE COMPLAINTS WERE RECEIVED BY ODI AND GM CONCERNING THE APPROXIMATELY 59,000 MY 1999-2002 C/K 1500 SERIES PICKUP TRUCKS WITH THE PBR PARKING BRAKE SYSTEM.THESE INCLUDED 22 ALLEGED ROLLAWAY INCIDENTS, RESULTING IN A RATE OF 38.5 ROLLAWAY INCIDENTS PER 100,000 VEHICLES.ODI IS AWARE OF 24 COMPLAINTS REGARDING THE MY 2001-2005 C/K 2500 AND 3500 SERIES MANUAL TRANSMISSION TRUCKS RECALLED BY GM, INCLUDING 5 ALLEGING ROLLAWAY INCIDENTS.THOUGH THE CONDITIONS DESCRIBED IN GM'S LETTER ARE ALSO PRESENT IN THE C/K TRUCKS WITH AUTOMATIC TRANSMISSIONS, THE ROLLAWAY RATE IN THOSE VEHICLES WAS SIMILAR TO THOSE OBSERVED IN PEER VEHICLES STUDIED BY ODI IN THIS INVESTIGATION.THIS ENGINEERING ANALYSIS IS CLOSED. FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.

Parking Brake:conventional:mechanical:linkage And Cable

IN A LETTER DATED APRIL 20, 2005, GM NOTIFIED NHTSA THAT IT HAD DECIDED THAT DEFECTS THAT RELATE TO MOTOR VEHICLE SAFETY EXIST IN CERTAIN MODEL YEAR (MY) 1999-2002 C/K 1500 SERIES (PBR PARKING BRAKE SYSTEM) AND MY 2001-2005 C/K 2500 AND 3500 SERIES (TRW PARKING BRAKE SYSTEM) PICKUPS WITH MANUAL TRANSMISSIONS.ACCORDING TO GM, SOME OF THESE VEHICLES MAY HAVE CONDITIONS THAT CAUSE THE FRICTION LININGS TO WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.GM'S ACTION COVERS AN ESTIMATED TOTAL OF 142,585 VEHICLES.DEALERS WILL INSTALL A LOW-FORCE SPRING CLIP RETAINER FOR VEHICLES EQUIPPED WITH THE PBR PARKING BRAKE SYSTEM AND INSTALL A REDESIGNED PARKING BRAKE CABLE ASSEMBLY ON VEHICLES EQUIPPED WITH THE TRW PARKING BRAKE SYSTEM. A TOTAL OF 58 NON-DUPLICATIVE COMPLAINTS WERE RECEIVED BY ODI AND GM CONCERNING THE APPROXIMATELY 59,000 MY 1999-2002 C/K 1500 SERIES PICKUP TRUCKS WITH THE PBR PARKING BRAKE SYSTEM.THESE INCLUDED 22 ALLEGED ROLLAWAY INCIDENTS, RESULTING IN A RATE OF 38.5 ROLLAWAY INCIDENTS PER 100,000 VEHICLES.ODI IS AWARE OF 24 COMPLAINTS REGARDING THE MY 2001-2005 C/K 2500 AND 3500 SERIES MANUAL TRANSMISSION TRUCKS RECALLED BY GM, INCLUDING 5 ALLEGING ROLLAWAY INCIDENTS.THOUGH THE CONDITIONS DESCRIBED IN GM'S LETTER ARE ALSO PRESENT IN THE C/K TRUCKS WITH AUTOMATIC TRANSMISSIONS, THE ROLLAWAY RATE IN THOSE VEHICLES WAS SIMILAR TO THOSE OBSERVED IN PEER VEHICLES STUDIED BY ODI IN THIS INVESTIGATION.THIS ENGINEERING ANALYSIS IS CLOSED. FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.

Parking Brake

IN A LETTER DATED APRIL 20, 2005, GM NOTIFIED NHTSA THAT IT HAD DECIDED THAT DEFECTS THAT RELATE TO MOTOR VEHICLE SAFETY EXIST IN CERTAIN MODEL YEAR (MY) 1999-2002 C/K 1500 SERIES (PBR PARKING BRAKE SYSTEM) AND MY 2001-2005 C/K 2500 AND 3500 SERIES (TRW PARKING BRAKE SYSTEM) PICKUPS WITH MANUAL TRANSMISSIONS.ACCORDING TO GM, SOME OF THESE VEHICLES MAY HAVE CONDITIONS THAT CAUSE THE FRICTION LININGS TO WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.GM'S ACTION COVERS AN ESTIMATED TOTAL OF 142,585 VEHICLES.DEALERS WILL INSTALL A LOW-FORCE SPRING CLIP RETAINER FOR VEHICLES EQUIPPED WITH THE PBR PARKING BRAKE SYSTEM AND INSTALL A REDESIGNED PARKING BRAKE CABLE ASSEMBLY ON VEHICLES EQUIPPED WITH THE TRW PARKING BRAKE SYSTEM. A TOTAL OF 58 NON-DUPLICATIVE COMPLAINTS WERE RECEIVED BY ODI AND GM CONCERNING THE APPROXIMATELY 59,000 MY 1999-2002 C/K 1500 SERIES PICKUP TRUCKS WITH THE PBR PARKING BRAKE SYSTEM.THESE INCLUDED 22 ALLEGED ROLLAWAY INCIDENTS, RESULTING IN A RATE OF 38.5 ROLLAWAY INCIDENTS PER 100,000 VEHICLES.ODI IS AWARE OF 24 COMPLAINTS REGARDING THE MY 2001-2005 C/K 2500 AND 3500 SERIES MANUAL TRANSMISSION TRUCKS RECALLED BY GM, INCLUDING 5 ALLEGING ROLLAWAY INCIDENTS.THOUGH THE CONDITIONS DESCRIBED IN GM'S LETTER ARE ALSO PRESENT IN THE C/K TRUCKS WITH AUTOMATIC TRANSMISSIONS, THE ROLLAWAY RATE IN THOSE VEHICLES WAS SIMILAR TO THOSE OBSERVED IN PEER VEHICLES STUDIED BY ODI IN THIS INVESTIGATION.THIS ENGINEERING ANALYSIS IS CLOSED. FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.

PE03057 · Parking Brake Failure

Opened Dec 8, 2003 · Closed Apr 9, 2004

Status: closed (inferred from source dates) · Parking Brake

ODI OPENED PE03-057 TO ASSESS PARKING BRAKE INEFFECTIVENESS IN THE SUBJECT VEHICLES.THESE VEHICLES ARE EQUIPPED WITH FOUR WHEEL DISC BRAKES THAT INCORPORATE A SINGLE-SHOE DRUM-IN-HAT PARKING BRAKE INDEPENDENT OF THE SERVICE BRAKES.COMPLAINT AND WARRANTY DATA INDICATE THAT THE PARKING BRAKE LININGS TEND TO WEAR OUT EARLY IN THE LIFE OF THE VEHICLE (AT AN AVERAGE OF 24 MONTHS IN SERVICE), REDUCING THE PARKING BRAKE SYSTEM'S TORQUE BELOW THAT NEEDED TO IMMOBILIZE THE VEHICLE.GM HAS ATTRIBUTED THIS ACCELERATED WEAR TO FOREIGN MATERIAL INTRUSION AND A FAILURE OF THE BRAKE SHOE TO PROPERLY SELF-CENTER WITHIN ITS BRAKE DRUM.EFFECTIVE WITH THE START OF MY 2003 PRODUCTION, A NEWER REDUCED FORCE HOLD-DOWN CLIP WAS INTRODUCED TO FACILITATE BRAKE SHOE DISENGAGEMENT FROM THE DRUM SURFACE.THIS PART IS ALSO AVAILABLE AT THE SERVICE LEVEL FOR THE MY 1999-2002 VEHICLES.GM HAS INDICATED THAT THE PAKING BRAKE IS INTENDED TO OPERATE IN CONJUNCTION WITH THE TRANSMISSION TO IMMOBILZE PARKED VEHICLES, AND THAT IN MANY CASES, ACCELERATED PARKING BRAKE LINING WEAR IS CAUSED BY ROUGH USE, VEHICLE MODIFICATIONS, AND DRIVING WITH THE PARKING ENGAGED. ODI HAS UPGRADED THE PRELIMINARY EVALUATION TO AN ENGINEERING ANALYSIS TO GATHER FURTHER INFORMATION CONCERNING PARKING BRAKE USAGE FACTORS AND THE CIRCUMSTANCES SURROUNDING THE SEVENTEEN REPORTED VEHICLE CRASHES.