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Home >> Suzuki >> 2011 >> Grand Vitara Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 141 (Transfer) >> Diagnostic Information and Procedures >> DTC P1802, DTC P1803, DTC P1804 & DTC P1809: Transfer Control Unit >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

WARNING: This page is about a different car, the 2011 Suzuki Equator. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION LOGIC CHART

DTC SDT Diagnostic item is detected when... Reference
[P1802] CONTROL UNIT 1 Malfunction is detected in the memory (RAM) system of transfer control unit. Diagnosis Procedure 
[P1803] CONTROL UNIT 2 Malfunction is detected in the memory (ROM) system of transfer control unit.
[P1804] CONTROL UNIT 3 Malfunction is detected in the memory (EEPROM) system of transfer control unit.
[P1809] CONTROL UNIT 4 AD converter system of transfer control unit is malfunctioning.
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