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P0600 Infiniti Code - A/T Control Serial Communication Link Malfunction

- Code Popularity: 12,387 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P0600 Infiniti?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other 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
⚠ Does your Infiniti have Safety Recalls? → Check here

How to Fix the DTC P0600 Infiniti?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Code 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.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0600 Infiniti code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

When is the Code Detected?

ECM receives incorrect voltage from A/T control unit continuously

What are Code Possible Symptoms?

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

Code 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.

OBDII Code P0600 Infiniti - A/T Control Serial Communication Link Malfunction - AutoCodes.com
P0600 Infiniti Code - A/T Control Serial Communication Link Malfunction

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Code P0600 Infiniti comments

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