Powertrain Control Module: Installation

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NOTE: On all models except 1.6L and 2.0L, after installation of a NEW PCM, Malfunction Indicator Light (MIL) will remain illuminated until PCM is programmed.

On 4.3L, 5.0L, 5.7L and 7.4L, install knock sensor module in NEW PCM. Install access cover. On all models, install PCM into vehicle. Connect harness connectors to PCM. Reconnect negative battery cable. If NEW PCM has been installed, PCM MUST be programmed. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION.