How to bypass the VATS (PASSKey II) system in a late model GM vehicle

DownloadPontiac 1994-1996 Grand Prix 1992-1999 Bonneville 1993-2002 Firebird/Trans Am/Firehawk Buick 1994-1996 Regal 1992-1999 LeSabre 1991-1996 Park Avenue 1991-1996 Roadmaster Oldsmobile 1994-1997 Cutlass Supreme 1992-1999 Eighty Eight/LSS/Ninety Eight/Regency 1991-1996 Custom Cruiser Wagon Chevrolet 1995-1999 Monte Carlo 1995-2001 Lumina 1993-2002 Camaro 1986(?)-1996 Corvette (C4) Cadillac 1991-1996 Fleetwood 1992-1997(?) Seville/STS/DeVille Any other GM Vehicles with the VATS or PASSKey II system (If your ignition key looks like the one pictured below.) Alright, let’s begin the madness: 1. Take your DMM, set it to measure Ohms (use the 20k setting.) Measure the resistance across the pellet of the ignition key. Place one probe on the silver part of one side of the pellet, and the other probe on the other side. Write this value down. 2. Purchase a resistor or resistors that add up to the value measured in step 1. Radio Shack is a great place to go for the resistors, heat shrink tubing, and the “bullet-style” solderless connectors.… Read More

1994 Cadillac DeVille Concours Passive Struts

Download Subject: Procedure to Disable Illumination of Service Indicator AFTER the Installation of Passive Struts/Shocks Models: 1992-94 Buick Skylark 1993-96 Buick Park Avenue 1989-92 Cadillac Allante 1991-93 Cadillac Eldorado, Seville 1991-95 Cadillac DeVille 1991-95 Oldsmobile Ninety Eight 1992-93 Oldsmobile Achieva 1994-99 Pontiac Bonneville This bulletin is being revised to clarify when this bulletin may be used to turn the service suspension lamp off. Also, a step has been added to the 1991 Cadillac Eldorado and Seville repair. Please discard Corporate Bulletin Number 00-03-11-001 (Section 3 – Suspension). Refer to the Service Manual page 8D-13 (1989) or 8D-14 (1990-1992). On these vehicles, adjust the BCM Override value “BS08″. To do this, use the warmer/cooler button on the CCDIC to decrease the BCM override value “BS08″ which is displayed when you enter the system by two (2). When the desired number is displayed on the CCDIC, it must be stored by holding the “Elapsed Time” and “Fuel Used” buttons until the new value flashes on and off.… Read More

1990-1998 GM Cadillac Deville Ignition Lock Cylinder REMOVAL & INSTALLATION

Download When performing service around Supplemental Inflatable Restraint (SIR) system components or wiring, the SIR system must be disabled. Failure to do so could result in possible air bag deployment, personal injury, or unneeded SIR system repairs. Catera Disconnect the negative battery cable. 1. Remove the steering wheel. 2. Remove the inflatable restraint steering wheel module coil. 3. Insert a small pointed awl or wire into the ignition lock cylinder release pinhole. 4. Pull out the ignition lock cylinder. 5.Fig. Insert a pointed tool into the release pin hole To install: Install the lock cylinder. Look into the hole that receives the lock cylinder on the lower RH side in order to locate the locking lever. 1. Carefully push down on the locking lever using a small flat-bladed tool until an audible click is heard. 2. Place the lock cylinder into the empty hole. 3. 6. Install the inflatable restraint steering wheel module coil.… Read More

2002 Cadillac DeVille DHS V8-4.6L VIN Y

Download 2002 Cadillac DeVille DHS V8-4.6L VIN Y Recall – Fuel Tank Pressure Sensor Malfunction. Product Safety – Fuel Tank Pressure Sensor # 03038A – (03/17/2004) 03038A — Fuel Tank Pressure Sensor 2002-2003 Cadillac DeVille, Seville Equipped with V8 (4.6L) Engine (LD8/L37) 2002-2003 Oldsmobile Aurora Equipped with V8 (4.0L) Engine (L47) 2002-2003 Pontiac Bonneville SSEi This bulletin is being revised to remove the parts restriction on the fuel tank and eliminate the need for the recall identification label. Please discard bulletin 03035, issued October 2003. Condition General Motors has decided that a defect which relates to motor vehicle safety exists in certain 2002-2003 model year Cadillac DeVille and Seville vehicles equipped with a V8 (4.6L) engine (LD8/L37), Oldsmobile Aurora vehicles equipped with a V8 (4.0L) engine (L47), and Pontiac Bonneville SSEi vehicles. The fuel tank pressure sensors in these vehicles are unusually susceptible to malfunctions. If the sensor malfunctions, excessive vacuum can be applied to the fuel tank during self-diagnostic testing.… Read More

2003 Cadillac Escalade Code C0660 will reset.

Download Vehicle Application: 2003 Cadillac Escalade 5.3L, Vin T, USA/Canada 2005 Chevrolet Suburban 1500 LS 5.3L, GAS, Vin T 2003 Cadillac Escalade EXT 6.0L 2005 GMC Yukon XL 1500 Slt 5.3L, FLEX, Vin Z 2005 Chevrolet Suburban 1500 LS 5.3L, FLEX, Vin Z Customer Concern: Code C0660 will reset. Tests/Procedures: 1. Check the RTD fuse located in the underhood fuse block. 2. Check for Battery Voltage (B+) on the Orange wire at the automatic level control air compressor pin F. 3. If less than B+ at pin F, check for a wiring and connection problem between the air compressor and the underhood fuse block. 4. Disconnect the compressor leveling module connector and check the resistance from the positive battery voltage circuit of the exhaust solenoid valve and the control circuit of the exhaust solenoid valve. Should be 30-90 ohms. 5. Check for B+ on the Dark Blue wire pin B at the air compressor with the exhaust solenoid commanded off.… Read More

1993 Ford Escort FUEL PUMP CIRCUIT (RELAY & INERTIA SWITCH)

Download 1993 Ford Escort G – TESTS W/CODES – EEC-IV (1.9L)’ ’1993 ENGINE PERFORMANCE Ford Motor Co. – Self-Diagnostics – EEC-IV. CIRCUIT TEST J – FUEL PUMP CIRCUIT (RELAY & INERTIA SWITCH) Diagnostic Aids When ignition switch is in the ON or START position, the PCM connects FUEL PUMP circuit (PCM terminal No. 22) to ground. The fuel pump relay is energized and electrical current flows to the fuel pump. If PCM does not receive ignition PIP signal within 2 seconds, FUEL PUMP circuit is opened and fuel pump operation is terminated. Perform this test when instructed by QUICK TEST or CIRCUIT TEST AA. This test is only intended to diagnose: * Fuel pump relay. * Inertia Fuel Shutoff (IFS) switch. * Wiring harness circuits (B+, VPWR, FUEL PUMP, GND and POWER-TO-PUMP). * Faulty Powertrain Control Module (PCM). Fig. 31: Fuel Pump Monitor Circuit Diagram (Escort & Tracer) 1)Code 87/556: Check VPWR To Fuel Pump Relay Code 87/556 indicates a fuel pump primary circuit failure.… Read More

Vehicles Equipped with a Webasto Sunroof System

Download Models: 1997-2000 Buick Century 1988-1991 Buick Reatta 1988-1999 Buick Riviera 1989-2000 Buick Park Avenue 1998-2000 Buick Regal 1988-1997 Cadillac Seville 1988-1996 Cadillac Fleetwood 1988-2000 Cadillac Eldorado 1989-2000 Cadillac DeVille 1995-2000 Chevrolet Cavalier 1998-2000 Chevrolet Malibu 2000 Chevrolet Impala, Monte Carlo 1988-1995 Oldsmobile Ciera 1989-1996 Oldsmobile Ninety Eight 1994-1998 Oldsmobile Achieva 1995-1999 Oldsmobile Aurora 1997 Oldsmobile Silhouette 1998-1999 Oldsmobile Cutlass 1998-2000 Oldsmobile Intrigue 1999-2000 Oldsmobile Alero 1987 Pontiac 6000 1989-1998 Pontiac Bonneville 1994-2000 Pontiac Grand Am 1995-2000 Pontiac Sunfire 1997-1998 Pontiac Trans Sport 1997-2000 Pontiac Grand Prix 1997-2000 Chevrolet & GMC S/T Models (Blazer, Jimmy) 1997-2000 Oldsmobile Bravada.… Read More

2000 Cadillac Catera TIMING BELT REPLACEMENT

Download 2000 Cadillac Catera V6-3.0L VIN R Timing Belt: Service and Repair Timing Belt Replacement. Removal Procedure ^ Tools Required -J 42069 Timing Belt Alignment Kit -J 42098 Crank Hub Torx Socket Notice: Failure to follow the described timing belt inspection and maintenance may result in a broken timing belt and cause severe engine damage. 1.Inspect the cold start counter (also called a heavy duty register) with a scan tool. If there are any cold starts (below -28° C or -20° F) visually inspect the timing belt for cracks. It cracks are noted, do not reuse the belt. Replace the belt and clear the cold start counter. If the belt is okay, and is reused, do not clear the cold start counter. 2.Remove the intake air resonator. Refer to Intake Air Resonator Replacement in Powertrain Management. 3.Remove the intake plenum. Refer to Intake Plenum Replacement. 4.Remove the timing belt cover. Refer to Timing Belt Cover Replacement.… Read More

Clunk, Bump or Squawk when Vehicle Comes to Complete Stop

Download 1999-2000 Cadillac Escalade (Old Style) 2002-2004 Cadillac Escalade, Escalade EXT 2003-2004 Cadillac Escalade ESV 1996-1999 Chevrolet 1500 Series Extended Cab Short Box Pickup (Old Style) 1996-1999 Chevrolet 1500 Series Regular Cab Pickup and Utility Models (Old Style) 1999-2002 Chevrolet Silverado Extended Cab Short Box (New Style) 1999-2004 Chevrolet Silverado 1500 Series Regular Cab (New Style) 2000-2004 Chevrolet 1500 Series Avalanche, Suburban and Tahoe 2001-2004 Chevrolet Silverado 2500/3500 Series Regular Cab with Long Bed or Extended Cab (New Style) 2001-2004 Chevrolet Silverado 2500 Series Crew Cab, Short Box (New Style) 1996-1999 GMC 1500 Series Extended Cab Short Box Pickup (Old Style) 1996-1999 GMC 1500 Series Regular Cab Pickup and Utility Models (Old Style) 1999-2002 GMC Sierra Extended Cab Short Box (New Style) 1999-2004 GMC Sierra 1500 Series Regular Cab (New Style) 2000-2004 GMC 1500 Series Yukon, Yukon XL 2001-2004 GMC Sierra 2500/3500 Series Regular Cab with Long Bed or Extended Cab (New Style) 2001-2004 GMC Sierra 2500 Series Crew Cab, Short Box (New Style) 2003-2005 HUMMER H2 with Four Wheel Drive (4WD) or All Wheel Drive (AWD) and One-Piece Propeller Shaft ONLY.… Read More

1993-1995 BRONCO SERVICE PROCEDURE

Download HESITATION/STUMBLE—INTERMITTENT—4.9L, Article No. 5.0L, 5.8L AND 7.5L ENGINES 95-15-11 • MISS—INTERMITTENT—4.9L, 5.0L, 5.8L AND 7.5L ENGINES • NO START/NO SPARK—INTERMITTENT—4.9L, 5.0L, 5.8L AND 7.5L ENGINES • STALL—INTERMITTENT—4.9L, 5.0L, 5.8L AND 7.5L ENGINES. FORD: 1993-1995 BRONCO, F-150-350 SERIES, F-47. This TSB is being republished in its entirety to 3. Disconnect the connector at the Ignition Control update the model years and add a figure. Module (ICM – formerly TFI). 4. Unbolt the 60-pin connector from the PCM and ISSUE pull the wiring up to work on. Vehicles may exhibit various driveability symptoms, such as no start, no spark, 5. Remove the 1? (25.4mm) diameter convoluted hesitation/stumble/stall/miss and/or Diagnostic tubing from the wiring assembly. The date code Trouble Code (DTC) 211. The symptoms may occur tag will remain taped to the convoluted tubing. during any drive mode or at idle. These concerns may be caused by the shielding drain wire (Circuit 6.… Read More