Series 60 DDEC V Troubleshooting – Section 32.1 Description of Flash Code 27

Section 32.1
Description of Flash Code 27

The SAE J1587 equivalent code for Flash Code 27 is p 172/3, air temperature circuit high.‪

Flash Code 27 indicates that the engine Air Temperature Sensor (ATS)/Intake Air Temperature Sensor (IAT Sensor), see Figure "Intake Air Temperature Sensor" , input to the ECM/ECU has exceeded 95% (normally > 4.75 volts) of the sensor supply voltage.‪


Series 60 DDEC V Troubleshooting Guide - 6SE570
Generated on 10-13-2008

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