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Electronic Control Module (ECM)

NOTE: To prevent damage to ECM, ignition must be off before disconnecting or reconnecting any ECM power source (i.e.; battery, ECM connectors, ECM fuse, jumper cables, etc.).
  1. Disconnect negative battery cable. Remove lower right instrument panel cover. Remove nuts securing ECM to instrument panel mounting brackets and ground strap (if equipped).
  2. Remove 3 electrical connectors and remove ECM from vehicle. To install ECM, reverse removal procedure and ensure ground strap is securely attached (if equipped).
NOTE: If diagnostic procedures require replacement of ECM, ensure ECM and PROM part numbers are correct. Service ECM DOES NOT contain a PROM. Old PROM must be installed in service ECM. Part number verification is critical for proper vehicle operation.
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