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Introduction
The problem that is identified below does not have a known permanent solution. Until a known permanent solution is known, use the solution that is identified below.Problem
Multiple dealers have found that the "ARD Nozzle Heater Circuit Test" in Cat ET does not work after flashing to PROD 5 engine software. An error message is returned that says calibration unsuccessful when the start button is pressed. Refer to the Illustration below.
Illustration 1 g02839458
Illustration 2 g02839481
Solution
The "ARD Nozzle Heater Circuit Test" is still functional despite the error being shown. An engine software solution for this issue is in process and should be released soon.The test should be working while the calibration error is present as long as the appropriate conditions are met to run the test. Once finished troubleshooting, the technician should select "Finish" to end the circuit test.