This instruction show you guide on how to solve Paccar multiplexed electrical system auxiliary transmission oil temperature gauge inoperative DTC 44203 and DTC44204 error.
Symptom: Auxiliary transmission oil temperature gauge inoperative. All other gauges are
operational.
The Auxiliary Transmission Oil Temperature Gauge uses a thermistor sensor to measure transmission oil temperature
The following procedures have been developed to assist the technician in diagnosing multiplexed
instrumentation problems using the Electronic Service Analyst (ESA) hardware/software diagnostic tool. It is assumed the service technician performing instrumentation repairs is knowledgeable about how to use ESA.
Related Contents:
Paccar ESA Electronic Service Analyst v5.2.2.1 Free Download
Procedures:
Step 1:
Turn ignition key ON.Start ESA, then select
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