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Powertrain Control Module Programming

WARNING: If Powertrain Control Module (PCM) was replaced, EEPROM in PCM must be programmed. If EEPROM is not programmed, a Diagnostic Trouble Code (DTC) will be set in PCM, or PCM may be damaged.

Powertrain Control Module (PCM) can only be programmed using pass-through programming method. Pass-through programming method requires use of a scan tool in series with Techline® terminal and Data Link Connector (DLC). Perform EEPROM programming using Techline equipment manufacturer's instructions and latest software applicable for vehicle model.

Once EEPROM is reprogrammed, Crankshaft Position (CKP) sensor variation learn procedure must be performed using proper procedure. For 2001, see 2001 COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION. For 2002, see 2002 COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION. Program vehicle theft deterrent system. See PASSLOCK™ LEARN PROCEDURE .

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