P0600 BMW 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
– 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
– Improper shifting timing
P0600 BMW 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.
BMW Vehicle:BMW F650GS,BMW F800S,BMW F800ST,BMW G450X,BMW G650 Xmoto,BMW R1200GS,BMW R1200R,BMW R1200RT,BMW R1200S,BMW K1200LT,BMW K1300GT,BMW K1300R,BMW K1300S,BMW K1600GT and K1600GTL,BMW S1000RR,BMW E36/5,BMW E36/7,BMW E36/8,BMW E38,BMW E38/2,BMW E38/3,BMW E39,BMW E46/5,BMW E46/4,BMW E46/3,BMW E46/2,BMW E46/C,BMW E52,BMW E53,BMW E60,BMW E61,BMW E62,BMW E63,BMW E64,BMW E65,BMW E66,BMW E67,BMW E68,BMW E70,BMW E71,BMW E72,BMW E81,BMW E82,BMW E83,BMW E84,BMW E85,BMW E86,BMW E87,BMW E88,BMW E89,BMW E90,BMW E91,BMW E92,BMW E93,BMW F01,BMW F02,BMW F03,BMW F04,BMW F06,BMW F07,BMW F10,BMW F11,BMW F12,BMW F13,BMW F15,BMW F18,BMW F20,BMW F21,BMW F22,BMW F25,BMW F26,BMW F30,BMW F31,BMW F32,BMW F33,BMW F34,BMW F35,BMW F36,BMW F80,BMW F82