-36- DTC Code Code Description P2903 EGR Valve open/Close Stick P0606 CPU fault; -Main CPU fault P0606 CPU fault; -Watchdog IC fault P1621 EEPROM/EERPOM Emulation via Flash EPROM Write Error P0219 Engine overrun P0512 Starter Switch Short to BATT P2920 Main relay diagnostics; Main relay stuck closed P0088 Supply pump control valve (suction control valve) stuck P0234 Boost Pressure Sensor exceeds upper limit P0234 Boost Pressure Sensor exceeds upper limit (Long time) P2921 Supply pump protection P2922 Supply pump exchange P2923 Supply pump malfunction P1277 Accelerator Pedal Position Sensor 1 Low Voltage P1278 Accelerator Pedal Position Sensor 1 High Voltage P1282 Accelerator Pedal Position Sensor 2 Low Voltage P1283 Accelerator Pedal Position Sensor 2 High Voltage P1287 Accelerator Pedal Position Sensor 3 Low Voltage P1288 Accelerator Pedal Position Sensor 3 High Voltage P1125 Pedal Position Sensor Circuit Intermittent P1271 Accelerator Pedal Position Sensor 1, 2 Correlation Error P1272 Accelerator Pedal Position Sensor 2, 3 Correlation Error P1273 Accelerator Pedal Position Sensor 1, 3 Correlation Error U1300 Class2 Bus Short to Ground U1301 Class2 Bus Short to Battery U2104 CAN Bus Error P0461 Fuel Level Sensor Circuit Performance P0602 QR Code Not Programmed P0602 QR Code ERROR