Diagnostic Trouble Code (DTC) Checks (for 2.7 V6 Non-EOBD Vehicles)
| Code No | Description of malfunctions | Memory | MIL |
| P0100 | Malfunction in the mass or volume air flow sensor circuit | 0 | X |
| P0110 | Malfunction in the intake manifold air temperature sensor circuit | 0 | X |
| P0115 | Malfunction in the coolant temperature sensor circuit | 0 | X |
| P0120 | Throttle/Pedal Position Sensor Circuit Malfunction 8 | 0 | X |
| P0130 | Oxygen sensor circuit malfunction (bank 1, sensor 1) | 0 | X |
| P0150 | Oxygen sensor circuit fault (bank 2, sensor 1) | 0 | X |
| P0134 | Malfunction (inactivity) of the oxygen sensor (block 1, sensor 1) | 0 | X |
| P01S4 | Malfunction (inactivity) of the oxygen sensor (block 2, sensor 1) | 0 | X |
| P0135 | Oxygen sensor heater malfunction (bank 1, sensor 1) | 0 | X |
| P0155 | Oxygen sensor heater malfunction (block 2, sensor 1) | 0 | X |
| P0201 | Cylinder 1 injector circuit fault | 0 | X |
| P0202 | Cylinder 2 injector circuit fault | 0 | X |
| P0203 | Cylinder 3 injector circuit fault | 0 | X |
| P0204 | Cylinder 4 injector circuit failure | 0 | X |
| P0205 | Failure of the injector circuit of the fifth cylinder | 0 | X |
| P0206 | Cylinder 6 injector circuit failure | 0 | X |
| P0230 | Fuel pump circuit malfunction | 0 | X |
| P0225 | Malfunction 8 circuit of the first knock sensor | 0 | X |
| P0330 | Malfunction 8 circuit of the second knock sensor | 0 | X |
| P0335 | Crankshaft position sensor circuit malfunction | 0 | X |
| P0340 | Malfunction in the camshaft position sensor (TDC) circuit | 0 | X |
| P0350 | Ignition coil primary/secondary circuit fault | 0 | X |
| P0351 | Malfunction in primary/secondary circuit of ignition coil "A" | 0 | X |
| P0352 | Malfunction in the primary/secondary circuit of the ignition coil "B" | 0 | X |
| P0353 | Malfunction in the primary/secondary circuit of the ignition coil "C" | 0 | X |
| P0354 | Malfunction in the primary/secondary circuit of the ignition coil "D" | 0 | X |
| P0355 | Malfunction in primary/secondary circuit of ignition coil "E" | 0 | X |
| P0356 | Malfunction in primary/secondary circuit of ignition coil "F" | 0 | X |
| P0500 | Vehicle speed sensor circuit fault | 0 | X |
| R1166 | Oxygen sensor - control unit diagnostic function malfunction (block 1) | 0 | X |
| R1167 | Oxygen sensor - control unit diagnostic function malfunction (block 1) | 0 | X |
| R1510 | Incorrect control signal to the idle air control circuit (coil 1) | 0 | X |
| R1511 | Incorrect control signal to the idle air control circuit (coil 1) | 0 | X |
| R1521 | Malfunction in the power steering pressure switch circuit | 0 | X |
| R1602 | Serial occurrence of communication problem with TCU system (timeout) | 0 | X |
| R1613 | Self-diagnostic mode failure - RSM | 0 | X |
| R1616 | Control relay failure | 0 | X |
| R1624 | Malfunction in the "LOW" circuit of the cooling system fan | 0 | X |
| R1625 | Malfunction in the "HIGH" circuit of the cooling fan | 0 | X |
| R1642 | The immobilizer control unit is not connected to the immobilizer system | 0 | X |