P0600 Mitsubishi A/T Control Serial Communication Link Malfunction

P0600 Mitsubishi A/T Control Serial Communication Link Malfunction

Possible causes

– The circuit between ECM and A/T control unit is open or shorted
– Faulty Engine control Module (ECM)
– Engine control Module(ECM) harness is open or shorted
– Engine control Module (ECM) cicuit poor electricl connection
– Faulty Automatic Transmission Module (TCM)
– Low battery voltage
– Automatic Transmission Module (TCM) harness is open or shorted
– Automatic Transmission Module (TCM) cicuit poor electricl connection

Tech description

For Infiniti vehicles, the problem is usually related to the automatic transmission (A/T) control unit. Either a bad connector o bad control unit itself.

What about the obd code?

ECM receives incorrect voltage from A/T control unit continuously

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)
– Improper shifting timing

P0600 Mitsubishi Description

These circuit lines are used to control the smooth shifting up and down of A/T during the and acceleration/deceleration. Voltage signal are exchanged between the Engine Control Module (ECM) and Automatic Transmission (A/T) control unit.

Mitsubishi Vehicle:Mitsubishi Aspire,Mitsubishi Airtrek,Mitsubishi Adventure,Mitsubishi Galant,Mitsubishi Tredia,Mitsubishi Strada,Mitsubishi RVR,Mitsubishi Pajero,Mitsubishi Outlander,Mitsubishi Montero Sport,Mitsubishi Mirage,Mitsubishi Libero,Mitsubishi Legnum,Mitsubishi Lancer,Mitsubishi i Miev,Mitsubishi GTO,Mitsubishi FTO,Mitsubishi Eterna,Mitsubishi eK,Mitsubishi Eclipse,Mitsubishi Diamante,Mitsubishi Delica,Mitsubishi Cordia,Mitsubishi Chariot,Mitsubishi Challenger,Mitsubishi Carisma,Mitsubishi Eclipse,Mitsubishi Endeavor,Mitsubishi Galant,Mitsubishi Lancer,Mitsubishi Outlander,Mitsubishi Raider,