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DTC B0532, Fuel Level Sender Short To Ground: Notes

PZM monitors fuel level, and transmits this information over Class 2 serial data line to Powertrain Control Module (PCM) and Instrument Panel Cluster (IPC). When ignition switch is in RUN position, PZM continually measures voltage at 24-pin connector C1 terminal A1 (Purple wire) and determines position of sender by calculating percentage of IGN-1 present at terminal.

DTC B0532 will set if percentage of IGN-1 voltage is less than an acceptable level for at least 2 seconds. PZM will send a Class 2 message to PCM that percentage of IGN-1 is too low. DTC B0532 will clear if percentage of IGN-1 voltage meets or exceeds an acceptable level for at least one cycle.

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