| P1500 | Vehicle Speed Sensor Intermittent |
| P1501 | Vehicle Speed Sensor Out Of Self Test Range |
| P1502 | Vehicle Speed Sensor Intermittent Malfunction |
| P1503 | Auxillary Speed Sensor Fault |
| P1504 | Idle Air Control Circuit Malfunction |
| P1505 | Idle Air Control System At Adaptive Clip |
| P1506 | Idle Air Control Overspeed Error |
| P1507 | Idle Air Control Underspeed Error |
| P1508 | Idle Control System Circuit Open |
| P1509 | Idle Control System Circuit Shorted |
| P1510 | Idle Signal Circuit Malfunction |
| P1511 | Idle Switch (Electric Control Throttle) Circuit Malfunction |
| P1512 | Intake Manifold Runner Control (Bank 1) Stuck Closed |
| P1513 | Intake Manifold Runner Control (Bank 2) Stuck Closed |
| P1514 | High Load Neutral/Drive Fault |
| P1515 | Electric Current Circuit Malfunction |
| P1516 | IMRC Input Error (Bank 1) |
| P1517 | IMRC Input Error (Bank 2) |
| P1518 | Intake Manifold Runner Control (Stuck Open) |
| P1519 | Intake Manifold Runner Control (Stuck Closed) |
| P1520 | Intake Manifold Runner Control Circuit Malfunction |
| P1521 | Variable Intake Solenoid #1 Circuit Malfunction |
| P1522 | Variable Intake Solenoid #2 Circuit Malfunction |
| P1523 | IVC Solenoid Circuit Malfunction |
| P1524 | Variable Intake Solenoid System |
| P1525 | Air Bypass Valve System |
| P1526 | Air Bypass System |
| P1527 | Accelerate Warmup Solenoid Circuit Malfunction |
| P1528 | Subsidiary Throttle Valve Solenoid Circuit Malfunction |
| P1529 | SCAIR Solenoid Circuit Malfunction |
| P1530 | A/C Clutch Circuit Malfunction |
| P1531 | Invalid Test - Accelerator Pedal Movement |
| P1532 | IMCC Circuit Malfunction, Bank B |
| P1533 | AAI Circuit Malfunction |
| P1534 | Inertia Switch Activated |
| P1535 | Blower Fan Speed Circuit Range/Performance |
| P1536 | Parking Brake Switch Circuit Failure |
| P1537 | Intake Manifold Runner Control (Bank 1) Stuck Open |
| P1538 | Intake Manifold Runner Control (Bank 2) Stuck Open |
| P1539 | Power To A/C Clutch Circuit Overcurrent |
| P1540 | Air Bypass Valve Circuit Malfunction |
| P1549 | IMCC Circuit Malfunction, Bank B |
| P1550 | PSPS Out Of Self Test Range |
| P1565 | Speed Control Command Switch Out of Range High |
| P1566 | Speed Control Command Switch Out of Range Low |
| P1567 | Speed Control Output Circuit Continuity |
| P1568 | Speed Control Unable to Hold Speed |
| P1571 | Brake Switch Malfunction |
| P1572 | Brake Pedal Switch Circuit Malfunction |
| P1573 | Throttle Position Not Available |
| P1574 | Throttle Position Sensor Disagreement btwn Sensors |
| P1575 | Pedal Position Out of Self Test Range |
| P1576 | Pedal Position Not Available |
| P1577 | Pedal Position Sensor Disagreement btwn Sensors |
| P1578 | ETC Power Less Than Demand |
| P1579 | ETC In Power Limiting Mode |
| P1580 | Electronic Throttle Monitor PCM Override |
| P1581 | Electronic Throttle Monitor Malfunction |
| P1582 | Electronic Throttle Monitor Data Available |
| P1583 | Electronic Throttle Monitor Cruise Disable |
| P1584 | TCU Detected IPE Circuit Malfunction |
| P1585 | Throttle Control Unit Malfunction |
| P1586 | Throttle Control Unit Throttle Position Malfunction |
| P1587 | Throttle Control Unit Modulated Command Malfunction |
| P1588 | Throttle Control Unit Detected Loss of Return Spring |
| P1589 | TCU Unable To Control Desired Throttle Angle |
