A/T Control Serial Communication Link Malfunction
Table of contents
- Possible Causes
- How To Fix
- Tech Notes
- Cost To Diagnose
- When is the code detected
- Possible Symptoms
- Description
P0600 INFINITI 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
How do I fix code P0600 INFINITI?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Tech Notes
- 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.
Cost of diagnosing the P0600 INFINITI code
The cost of diagnosing the P0600 INFINITI code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
When is the code detected
ECM receives incorrect voltage from A/T control unit continuously
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Improper shifting timing
P0600 INFINITI 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.