Ecm 2001 6.3 - Mhh Auto - Page 1 !!exclusive!! · Premium Quality

| Pin | Function | Voltage/Logic | | :--- | :--- | :--- | | 1 | Permanent Battery (+30) | 12V | | 19 | Ignition On (+15) | 12V | | 4 / 5 | Ground (Chassis) | 0V | | 46 | K-Line (Diagnostics) | 0-12V Toggle | | 88 | CAN High (Powertrain) | 2.5V-3.5V |

The 2001 model year sits at the cusp of OBD-II encryption. A weak battery during flashing or a faulty K-Line can corrupt the 95040 EEPROM. Symptom: Immobilizer active, "ECM not coded" in Xentry/DAS. ECM 2001 6.3 - MHH AUTO - Page 1