When you notice your Eagle vehicle’s “check engine” light flashing, you’re likely wondering what’s going on under the hood. The key to deciphering the mystery lies in the Eagle OBD/OBD2 codes, a set of diagnostic trouble codes that pinpoint specific issues with your car’s components.
These five-digit codes are categorized into four primary subsets, and understanding them can help you identify problems, from engine misfires to transmission issues. But what do these codes really mean, and how can you use them to get your vehicle back on the road?
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Understanding OBD-II Codes
When you’re faced with a mysterious issue in your vehicle, understanding OBD-II codes is essential to identifying the problem and finding a solution.
OBD-II codes, which are part of your vehicle’s self-diagnostic system, provide specific information about component issues through Diagnostic Trouble Codes (DTC).
The codes are five-digit numbers with four subsets: powertrain, network and integration, body, and chassis.
P codes, which deal with the powertrain system, are the largest category and can be further broken down by numeric total, such as P0100-P0199 for fuel and air metering, fuel mileage, and emission systems.
Understanding these codes can help you diagnose and repair issues, including transmission problems, and even check for safety recalls.
Code Categories and Definitions
Numerous OBD-II codes are categorized into four primary subsets, each with its own distinct set of codes and definitions.
You’ll find that these subsets cover various aspects of your vehicle’s systems.
- P codes, related to the powertrain system, include subsets like fuel and air metering (P0100-P0199), fuel injector circuit issues (P0200-P0299), and engine misfiring issues (P0300-P0399).
- B codes and C codes deal with body and accessories, and chassis and accessories, respectively.
- U codes, the smallest category, handle network and integration issues.
Each OBD-II code is a five-digit code, with the first number indicating if the code is manufacturer-specific or generic, and the last three numbers providing specific information on the troubled vehicle system or circuit.
This categorization helps you understand Diagnostic Trouble Codes and identify the root cause of the issue in your vehicle system.
Searching and Resolving Issues
You’ve accessed the OBD-II code, and now it’s time to dig deeper to resolve the issue.
To get started, enter your vehicle’s make and diagnostic trouble code to retrieve code descriptions and related information.
Use an OBD2 scanner for accurate code diagnosis and examine ASE-certified fix advice for diagnostic trouble codes.
Search for codes using the SEARCH button, and break them down by numeric total after the P for more specific information on the troubled vehicle system or circuit.
P codes deal with the powertrain system, including the engine, transmission, and drivetrain accessories. They can be subdivided into subsets for issues like fuel and air metering, fuel injector circuit issues, and engine misfiring.
Remember to check for safety recalls using your vehicle’s VIN or license plate number. Recall repairs are free when performed at a local dealer.
Most Common Eagle OBD-II Trouble Codes
Code | Description |
---|---|
P1100 | O2 Sensor Heater Circuit Bank 1 Sensor 1 |
P1101 | O2 Sensor Heater Circuit Bank 1 Sensor 2 |
P1102 | O2 Sensor Heater Circuit Bank 2 Sensor 1 |
P1103 | O2 Sensor Heater Circuit Bank 2 Sensor 2 |
P1110 | Open Loop – Insufficient Engine Temperature |
P1111 | Oxygen Sensor Bank 1 Sensor 1 Signal Stuck Rich |
P1112 | Oxygen Sensor Bank 1 Sensor 2 Signal Stuck Rich |
P1113 | Oxygen Sensor Bank 2 Sensor 1 Signal Stuck Rich |
P1114 | Oxygen Sensor Bank 2 Sensor 2 Signal Stuck Rich |
P1115 | Oxygen Sensor Bank 1 Sensor 1 Signal Stuck Lean |
P1116 | Oxygen Sensor Bank 1 Sensor 2 Signal Stuck Lean |
P1117 | Oxygen Sensor Bank 2 Sensor 1 Signal Stuck Lean |
P1118 | Oxygen Sensor Bank 2 Sensor 2 Signal Stuck Lean |
P1120 | Throttle Position Sensor Out Of Range |
P1121 | Throttle Position Sensor Signal Voltage Low |
P1122 | Throttle Position Sensor Signal Voltage High |
P1130 | Lack Of HO2S Switch – Adaptive Fuel At Limit Bank 1 |
P1131 | Lack Of HO2S Switch – Sensor Indicates Lean Bank 1 |
P1132 | Lack Of HO2S Switch – Sensor Indicates Rich Bank 1 |
P1133 | HO2S Insufficient Switching Bank 1 Sensor 1 |
P1134 | HO2S Transition Time Ratio Bank 1 Sensor 1 |
P1135 | HO2S Transition Time Ratio Bank 1 Sensor 2 |
P1150 | Lack Of HO2S Switch – Adaptive Fuel At Limit Bank 2 |
P1151 | Lack Of HO2S Switch – Sensor Indicates Lean Bank 2 |
P1152 | Lack Of HO2S Switch – Sensor Indicates Rich Bank 2 |
P1153 | HO2S Insufficient Switching Bank 2 Sensor 1 |
P1154 | HO2S Transition Time Ratio Bank 2 Sensor 1 |
P1155 | HO2S Transition Time Ratio Bank 2 Sensor 2 |
P1170 | Fuel System Lean During Acceleration |
P1171 | Fuel System Rich During Acceleration |
P1172 | Fuel System Lean During Deceleration |
P1173 | Fuel System Rich During Deceleration |
P1195 | EGR Flow Insufficient Detected |
P1196 | EGR Flow Excessive Detected |
P1197 | EGR Temperature Sensor Circuit Low Input |
P1198 | EGR Temperature Sensor Circuit High Input |
P1199 | Fuel Level Sensor Circuit Fault |
P1200 | Injector Circuit Open – Multiple Cylinders |
P1201 | Injector Circuit Open – Cylinder 1 |
P1202 | Injector Circuit Open – Cylinder 2 |
P1203 | Injector Circuit Open – Cylinder 3 |
P1204 | Injector Circuit Open – Cylinder 4 |
P1205 | Injector Circuit Open – Cylinder 5 |
P1206 | Injector Circuit Open – Cylinder 6 |
P1280 | Injection Pump Malfunction |
P1281 | Engine Is Cold Too Long |
P1282 | Fuel Pump Relay Circuit |
P1283 | Idle Learn Procedure Not Completed |
P1284 | Fuel Injection Pump Mechanical Failure |
P1285 | Boost Pressure Not Detected |
P1286 | Fuel Injection Pump Control Error |
P1287 | Turbocharger Underboost Condition |
P1288 | Turbocharger Overboost Condition |
P1289 | Turbocharger Diagnostic Module Input |
P1290 | CNG Pressure Sensor Voltage Too Low/High |
P1291 | No Temperature Rise Seen In Closed Loop Fuel Control |
P1292 | CNG Pressure Drop Detected |
P1293 | CNG Pressure Sensor Voltage Too High |
P1294 | Target Idle Not Reached |
P1295 | No 5 Volts To TP Sensor |
P1296 | No 5 Volts To MAP Sensor |
P1297 | No Change In MAP From Start To Run |
P1298 | Lean Operation At Wide Open Throttle |
P1299 | Cylinder Head Temperature Sensor Circuit Malfunction |
P1300 | Misfire Detected – No Fuel Metered |
P1391 | Intermittent Loss Of CMP Or CKP |
P1398 | Misfire Detection Circuit Malfunction |
P1399 | Wait To Start Lamp Circuit Expected Low |
P1400 | Manifold Differential Pressure Sensor Circuit |
P1401 | EGR Valve Position Sensor Circuit |
P1402 | EGR Valve Position Feedback Circuit |
P1403 | No EGR Flow Detected |
P1404 | EGR Valve Pintle Position Circuit |
P1405 | DPF Differential Pressure Sensor Circuit Low |
P1406 | DPF Differential Pressure Sensor Circuit High |
P1407 | EGR Valve Temperature Sensor Circuit |
P1408 | EGR Flow Out Of Self Test Range |
P1409 | EGR Vacuum System Leak |
P1486 | Evap Canister Close Valve Circuit |
P1487 | Evap Canister Close Valve Performance |
P1488 | Evap Canister Close Valve Open |
P1489 | Evap Canister Close Valve Shorted |
P1490 | Evap Canister Vent Valve Circuit |
P1491 | Evap Canister Vent Valve Performance |
P1492 | Evap Canister Vent Valve Open |
P1493 | Evap Canister Vent Valve Shorted |
P1494 | Evap System Leak Detection Pump Pressure Sensor Circuit |
P1495 | Evap System Leak Detection Pump Pressure Sensor Range/Performance |
P1496 | Evap System Leak Detection Pump Pressure Sensor Low |
P1497 | Evap System Leak Detection Pump Pressure Sensor High |
P1498 | Evap System Leak Detection Pump Switch Circuit |
P1499 | Evap System Leak Detection Pump Switch Stuck |
P1500 | Vehicle Speed Sensor Intermittent |
P1501 | Vehicle Speed Sensor Range/Performance |
P1502 | Vehicle Speed Sensor Circuit Low Input |
P1503 | Vehicle Speed Sensor Circuit High Input |
P1504 | Idle Air Control System RPM Higher Than Expected |
P1505 | Idle Air Control System RPM Lower Than Expected |
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 |
P1520 | Electric Cooling Fan Relay Circuit |
P1521 | Electric Cooling Fan Relay Circuit Performance |
P1522 | Electric Cooling Fan Relay Circuit Open |
P1523 | Electric Cooling Fan Relay Circuit Shorted |
P1524 | Electric Cooling Fan Relay #2 Circuit |
P1525 | Electric Cooling Fan Relay #2 Circuit Performance |
P1526 | Electric Cooling Fan Relay #2 Circuit Open |
P1527 | Electric Cooling Fan Relay #2 Circuit Shorted |
P1528 | Cooling Fan PWM Control Circuit |
P1529 | Cooling Fan PWM Control Circuit Performance |
P1530 | A/C Clutch Circuit Malfunction |
P1531 | A/C Clutch Circuit Performance |
P1532 | A/CÂ Clutch Circuit Open |
P1533 | A/C Clutch Circuit Shorted |
P1534 | A/C Compressor Lock Sensor Circuit |
P1535 | A/C Evaporator Temperature Sensor Circuit |
P1536 | A/C Evaporator Temperature Sensor Range/Performance |
P1537 | A/C Evaporator Temperature Sensor Circuit Low |
P1538 | A/C Evaporator Temperature Sensor Circuit High |
P1539 | Power Steering Pressure Switch Circuit |
P1540 | Air Conditioning Pressure Sensor Circuit |
P1541 | Air Conditioning Pressure Sensor Performance |
P1542 | Air Conditioning Pressure Sensor Low |
P1543 | Air Conditioning Pressure Sensor High |
P1544 | EGR Position Sensor Circuit Intermittent |
P1545 | EGR Position Sensor Circuit |
P1546 | EGRÂ Position Sensor Circuit Range/Performance |
P1547 | EGR Position Sensor Circuit Low |
P1548 | EGR Position Sensor Circuit High |
P1549 | EGRÂ Vacuum Solenoid Circuit |
P1550 | PSPS Out Of Self Test Range |
P1551 | Barometric Pressure Out Of Self Test Range |
P1552 | Barometric Pressure Sensor Circuit |
P1553 | Barometric Pressure Sensor Circuit Range/Performance |
P1554 | Barometric Pressure Sensor Circuit Low |
P1555 | Barometric Pressure Sensor Circuit High |
P1556 | Brake Booster Pressure Sensor Circuit |
P1557 | Brake Booster Pressure Sensor Circuit Range/Performance |
P1558 | Brake Booster Pressure Sensor Circuit Low |
P1559 | Brake Booster Pressure Sensor Circuit High |
P1560 | Maximum Governed Speed Fault |
P1561 | Quantity Adjuster Feedback Signal |
P1562 | Actuator Supply Voltage “A” Circuit Low |
P1563 | Actuator Supply Voltage “A” Circuit High |
P1564 | Actuator Supply Voltage “B” Circuit Low |
P1565 | Actuator Supply Voltage “B” Circuit High |
P1566 | Tach Output Circuit |
P1567 | Tach Output Circuit Performance |
P1568 | Tach Output Circuit Low |
P1569 | Tach Output Circuit High |
P1570 | Contr. Module Lock Detected – Engine Inop |
P1571 | Brake Switch “A”/”B” Correlation |
P1572 | Brake Pedal Switch Circuit Malfunction |
P1573 | Throttle Position Not Available |
P1574 | Throttle Position Sensor Disagreement btwn Sensors |
P1575 | Pedal Position Not Available |
P1576 | Pedal Position Sensor Disagreement btwn Sensors |
P1577 | Pedal Position Sensor/Switch “D” Circuit |
P1578 | Pedal Position Sensor/Switch “D” Circuit Range/Performance |
P1579 | Pedal Position Sensor/Switch “D” Circuit Low |
P1580 | Pedal Position Sensor/Switch “D” Circuit High |
P1581 | Throttle Inlet Control System |
P1582 | Idle Adapt-At Limit |
P1583 | Cruise Control Disabled |
P1584 | TPM Detection Mode Active |
P1585 | Throttle Control Unit Malfunction |
P1586 | Throttle Monitor PCM Disagreement |
P1587 | Throttle Monitor 2 Malfunction |
P1588 | Throttle Monitor 3 Malfunction |
P1589 | TCM Adaptive Learning At Limit |
P1590 | Neutral Safety Switch Malfunction |
P1591 | TCM Power Relay Malfunction |
P1592 | CAN Communication Error |
P1593 | TCM CAN Communication Error |
P1594 | Alternator Load Input Failed High |
P1595 | Speed Control Inoperative |
P1596 | Speed Control Auxiliary Input Short To Ground |
P1597 | Speed Control Auxiliary Input Open Circuit |
P1598 | A/C Pressure Sensor Voltage Too Low |
P1599 | A/C Pressure Sensor Voltage Too High |
P1600 | Loss Of KAM Power |
P1601 | ECM/TCM Serial Communication Error |
P1602 | Immobilizer/ECM Communication Error |
P1603 | EEPROM Malfunction |
P1604 | Code Word Unregestered |
P1605 | Rough Road Hardware Not Present |
P1606 | Rough Road Sensor Malfunction |