Series 60 DDEC V Troubleshooting

Section 27.1 Description of Flash Code 21

Section 27.1
Description of Flash Code 21

The SAE J1587 equivalent code for Flash Code 21 is p 91/3, TPS/AP Sensor circuit high.‪

Flash Code 21 indicates that the Throttle Position Sensor (TPS)/AP Sensor, see Figure "TPS/AP 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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