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buick rendezvous theft deterrent module problem

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1998 Chevrolet Chevy K Pickup DTC P1626 Theft Deterrent Fuel Enable Signal Not Received Repair Manual

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An intermittent may be caused by any of the following conditions: Thoroughly check any circuitry that is suspected of causing the intermittent complaint. Refer to Intermittents and Poor Connections Diagnosis in Wiring Systems. If a repair is necessary, refer to Wiring Repairs or Connector Repairs in Wiring Systems. Test Description The number(s) below refer to the step number(s) on the diagnostic table. 2. This test checks if communication can be established between the scan tool and the VTD. If the scan tool cannot communicate with the VTD, refer to Diagnostic System Check – Theft Deterrent in Theft Deterrent. 3. This test checks for any opens in the serial data circuit between the VCM and the VTD. This also checks for any intermittent malfunctions associated with the serial data circuit. 4. This step is to determine if the condition that set the DTC is still present. The engine must be cranked in order to set this DTC. If the condition is present, the engine will start and then stall, indicating the VCM is disabling fuel. 7. Use a scan tool to clear and check for any DTCs in all the modules connected to the Class 2 Serial Data circuit (VCM, VTD, ATC, and BCM). the module itself. After repairing the cause of DTC P1626, clear all DTCs from the systems capable of storing this DTC and DTC U1192. 1 Important: Before clearing the DTCs, use the scan tool Capture Info to save the Freeze Frame and Failure Records for reference. The control module’s data is deleted once the Clear Info function is used. Did you perform the Powertrain On-Board Diagnostic (OBD) System Check? — Go to Step 2 Go to Powertrain On Board Diagnostic (OBD) System Check 2 1. Install the scan tool. 2. Turn ON the ignition leaving the engine OFF. 3. Attempt to establish communications with the VTD (Passlock) Control Module. Does the scan tool communicate with the VTD (Passlock) Control Module? — Go to Step 3 Go to Diagnostic System Check – Theft Deterrent in Theft Deterrent 3 Check the Class 2 Serial Data circuit for the following intermittent conditions: Did you find a problem? • An open in the Class 2 Serial Data circuit between the VCM and the VTD (Passlock) Control Module. • A short to ground. • A short to voltage. • Loose or damaged terminals at the DLC, VCM or the VTD (Passlock) Control Module. — Go to Step 6 Go to Step 4 4 1. Turn OFF the ignition. 2. Connect or install any connectors or components that were disconnected or removed. 3. Clear all DTCs using a scan tool. 4. Turn OFF the ignition for 15 seconds. 5. Attempt to start the engine. Does DTC P1626 reset? — Go to Diagnostic System Check – Theft Deterrent in Theft Deterrent Go to Step 5 5 This DTC is intermittent. Are any additional DTCs stored? — Go to the applicable DTC table Go to Diagnostic Aids 6 Repair the circuit as necessary. Refer to Wiring Repairs or Connector Repairs in Wiring Systems. Is the action complete?

2004 Chevrolet Monte Carlo SS SCHEMATIC AND ROUTING DIAGRAMS THEFT DETERRENT SYSTEM SCHEMATICS

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DIAGNOSTIC SYSTEM CHECK – THEFT DETERRENT Test Description The number(s) below refer to the step number(s) on the diagnostic table. 2: Lack of communication may be due to a partial malfunction of the class 2 serial data circuit or due to a total malfunction of the class 2 serial data circuit. The specified procedure will determine the particular condition. 5: The presence of DTCs which begin with “U” indicate some other module is not communicating. The specified procedure will compile all the available information before tests are performed. 6: The listed DTCs are internal module malfunctions and should be corrected before attempting any other diagnostics. 7: The listed DTCs are battery voltage related malfunctions and should be corrected before attempting any other diagnostics. Diagnostic System Check – Theft Deterrent Step Action Yes No 1 Install a scan tool. Does the scan tool power up? Go to Step 2 Go to Scan Tool Does Not Power Up in Data Link Communications 2 1. Turn ON the ignition, with the engine OFF. 2. Attempt to establish communication with the body control module (BCM) and the powertrain control module (PCM). Does the scan tool communicate with the specified modules? Go to Step 3 Go to Scan Tool Does Not Communicate with Class 2 Device in Data Link Communications 3 1. Access the Class 2 Power Mode parameter in the Diagnostic Circuit Check menu on the scan tool. IMPORTANT: Important: The engine may start during the following step. Turn OFF the engine as soon as you have observed the Crank power mode. IMPORTANT: Insure that all ignition switch positions are observed

1999 Buick Regal DTC B1001 Option Configuration Error Repair Manual

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Test Description The number(s) below refer to the step number(s) on the diagnostic table. 2. This step checks to see if the correct VIN is programmed in the powertrain control module (PCM). 4. This step checks to see if the body control module (BCM) has been replaced. 5. This step explains the proper steps to perform after a BCM has been replaced in order for the <- Back Forward -> Document ID# 385021 1999 Buick Regal Print BCM to operate properly. 6. This step checks to see if the correct VIN is programmed in the BCM. 7. This step explains how to properly program the VIN into the BCM. DTC B1001 Option Configuration Error Step Action Value (s) Yes No 1 Was the SIR Diagnostic System Check performed? — Go to Step 2 Go to SIR Diagnostic System Check 2 1. Install the scan tool. 2. Use the scan tool to verify that the PCM is programmed with the correct VIN by comparing the VIN that is stored in the PCM to the VIN plate of the vehicle. Is the PCM programmed with the correct VIN? — Go to Step 4 Go to Step 3 3 Use the scan tool and/or the techline machine to program the correct VIN into the PCM. Is the programming procedure complete? — Go to Step 9 — 4 Was the BCM replaced? — Go to Step 5 Go to Step 6 5 1. Use the F2 function key and follow the instructions on the scan tool under the BCM SPECIAL FUNCTIONS to reprogram the BCM. This allows the BCM to learn the Restraints ID from the SDM and also to learn other important data that is required. 2. Use the F6 function key and follow the instructions on the scan tool under the BCM SPECIAL FUNCTIONS to program the correct VIN into the BCM. 3. Use the techline machine to perform the theft relearn procedures for the replacement BCM. Are the programming procedures complete? — Go to Step 9 — 6 Use the scan tool to verify that the BCM is programmed with the correct VIN by comparing the VIN that is stored in the BCM to the VIN that is stored in the PCM. Is the BCM programmed with the correct VIN? — Go to Step 8 Go to Step 7 7 Use the F6 function key and follow the instructions on the scan tool under the BCM SPECIAL FUNCTIONS to program the correct VIN into the BCM. Is the reprogramming procedure complete? — Go to Step 9 — 1. Turn the ignition switch to the OFF position. 2. Replace the SDM. Refer to Inflatable Restraint

1997 Dodge Grand Caravan POWERTRAIN CONTROL MODULE REMOVAL AND INSTALLATION MANUAL

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POWERTRAIN CONTROL MODULE (PCM) Removal & Installation 1. The PCM is located between driver’s side front fender and power distribution center, near battery. See Fig. 1 . Disconnect negative battery cable and then positive battery cable from battery. 2. Remove bolts on side of power distribution center that secure power distribution center to mounting bracket. Remove heat shield from outside of battery. Remove battery. 3. Rotate power distribution center toward the engine to disengage power distribution center from rear mounting bracket. Pull power distribution center toward rear of vehicle to disengage power distribution center from front mounting bracket. 4. Allow power distribution center to lay aside for access to PCM. Remove electrical connectors from PCM. Electrical connectors may be removed by squeezing tabs on electrical connector together and pulling electrical connector from PCM. Remove bolts and PCM. To install, reverse removal procedure. Vehicles equipped with engine or transmission computers may require a relearn procedure after the vehicle battery is disconnected. Vehicle computers memorize and store vehicle operation patterns for optimum driveability and performance. When the vehicle battery is disconnected, this memory is lost. Default data is used until new data from each key start is stored. As the computer restores its memory from each new key start, driveability is restored. Driveability problems may occur during the relearn stage. Depending on the vehicle and how it is equipped, the following driveability problems may exist: z Rough or unstable idle. z Hesitation or stumble. z Rich or lean running. z Poor fuel mileage. z Harsh or poor transmission shift quality. To accelerate relearn process after battery removal and installation, vehicle should be road tested in the following manner: z Vehicle at normal operating temperature (cooling fan cycles). z Accelerate at normal throttle position (20-50%). z Cruise at light to medium throttle. z Decelerate to a stop, downshifting and using brakes normally. Manufacturers identify specific relearn procedures. See RELEARN PROCEDURES. Always complete the procedure before returning the vehicle to the owner. RELEARN PROCEDURES Theft Alarm Relearn Procedure 1. Theft alarm relearn is necessary whenever battery is disconnected or dead battery is boosted. If battery is connected or boosted without conducting relearn procedure, alarm system will enter power-up mode and vehicle will not start. 2. Before reconnecting battery or connecting booster, insert door key into driver side door lock

4T65E Transmission 1-2 Shift Shudder at Light to Moderate Acceleration (Replace Complete Second Clutch Assembly)

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2001-2004 Buick Regal 2001-2005 Buick Century, LeSabre 2002-2007 Buick Rendezvous 2005-2007 Buick Terraza, LaCrosse, Allure (Canada Only) 2006-2007 Buick Lucerne 2001-2005 Chevrolet Venture 2001-2007 Chevrolet Impala, Monte Carlo 2005-2007 Chevrolet Uplander 2006-2007 Chevrolet Malibu SS, Malibu Maxx SS 2001-2002 Oldsmobile Intrigue 2001-2003 Oldsmobile Aurora 2001-2004 Oldsmobile Silhouette 2001-2005 Pontiac Aztek, Bonneville, Montana 2001-2007 Pontiac Grand Prix 2005-2007 Pontiac Montana SV6 2006-2007 Pontiac G6 GTP 2005-2007 Saturn Relay with 4T65E Automatic Transmission this service kit contains: Second Clutch Housing Fluid Seal Rings (613), a Second Clutch Assembly (617), a Case Cover (Channel Plate) Upper Gasket (430), and a Case Cover (Channel Plate) Lower Gasket (429). In addition to the content of this service kit, four other gaskets not included in this service kit will also be needed to complete the repair, a Control Valve Body Cover (Side Cover) Gasket (54), a Control Valve Body Cover (Side Cover) Inner Gasket (59), a Case Cover Lower Gasket (429), and a Case Cover Upper Gasket (430). These gaskets can be obtained by ordering service kit P/Ns 24206959 and 24206391. Be sure to use ONLY the Second Clutch Assembly and Second Clutch Housing Fluid Seal Rings provided in this service kit. DISCARD the Second Clutch Assembly and Second Clutch Housing Fluid Seal Rings removed from the transmission being serviced. Disassemble ONLY the Oil Pump Assembly from the Case Cover (Complete). DO NOT disassemble the Control Valve Body from the Case Cover. Remove ONLY the Case Cover-to- Case bolts to remove the Case Cover and Valve Body from Transmission Case AS AN ASSEMBLY . To access all Case Cover-to-Case bolts, it is necessary to remove the Pressure Control Solenoid Valve Assembly (322), and 1-2 & 3-4 Shift Solenoid Valve Assemblies (315A, 315B).