Navigating car troubles can be frustrating, especially when the check engine light illuminates on your 2002 Isuzu Rodeo. Modern vehicles like the 2002 Isuzu Rodeo are equipped with an On-Board Diagnostics system, specifically OBD2, which helps in identifying potential problems. When something goes wrong, your vehicle’s computer generates trouble codes. Understanding these codes is the first step to diagnosing and resolving issues, ensuring your Isuzu Rodeo runs smoothly and efficiently. This guide provides a comprehensive list of OBD2 codes specific to the 2002 Isuzu Rodeo, helping you understand what these codes mean and what steps you might need to take.
Decoding OBD2 Codes for Your 2002 Isuzu Rodeo
The OBD2 system in your 2002 Isuzu Rodeo monitors various components and systems within your vehicle, from the engine and transmission to emissions control. When a fault is detected, the system stores a Diagnostic Trouble Code (DTC), commonly known as an OBD2 code. These codes are standardized across most vehicles, but manufacturers like Isuzu also have their own set of specific codes to pinpoint issues more accurately. While generic OBD2 scanners can retrieve these codes, understanding the Isuzu-specific codes is crucial for effective diagnosis, especially for a vehicle like the 2002 Isuzu Rodeo. Knowing whether a code is generic or manufacturer-specific can significantly impact the troubleshooting process.
2002 Isuzu Rodeo Specific OBD2 Trouble Codes List
Below is a detailed list of Isuzu-specific OBD2 trouble codes that may be relevant to your 2002 Isuzu Rodeo. This list includes the code and a brief description to give you a starting point in understanding potential problems. Remember, these codes are intended for informational purposes and should be used as a guide for diagnosis, not as definitive repair instructions. Always consult a qualified mechanic for proper diagnosis and repair procedures.
| Code | Description |
|---|---|
| P1106 | MAP Circuit Intermittent Voltage High |
| P1107 | MAP Circuit Intermittent Voltage Low |
| P1108 | Barometric Pressure Circuit Input High |
| P1111 | IAT Sensor Circuit Intermittent Voltage High |
| P1112 | IAT Sensor Circuit Intermittent Voltage Low |
| P1114 | ECT Sensor Circuit Intermittent Voltage Low |
| P1115 | ECT Sensor Circuit Intermittent Voltage High |
| P1121 | TP Sensor Circuit Intermittent Voltage High |
| P1122 | TP Sensor Circuit Intermittent Voltage Low |
| P1133 | H02S Insufficient Switching Bank 1 Sensor 1 |
| P1134 | H02S Transition Time Ratio Bank 1 Sensor 1 |
| P1153 | H02S Insufficient Switching Bank 2 Sensor 1 |
| P1154 | H02S Transition Time Ratio Bank 2 Sensor 1 |
| P1171 | Fuel System Lean During Acceleration |
| P1297 | Electrical Load Detector Circuit Input Low |
| P1298 | Electrical Load Detector Circuit Input High |
| P1300 | Random Misfire |
| P1336 | CKP System Variation Not Learned |
| P1345 | CKP/CMP signals – signal malfunction |
| P1359 | CKP/TDC Sensor Disconnected |
| P1361 | TDC Sensor Intermittent Interruption |
| P1362 | TDC Sensor No Signal |
| P1380 | ABS Rough Road System Fault |
| P1381 | Cylinder Position Sensor Intermittent Interruption, Misfire Detected (Except 1998 Rodeo) |
| P1381 | ABS Rough Road Class 2 Serial Data Fault Or Link Error (1998 Rodeo) |
| P1382 | Cylinder Position Sensor No Signal |
| P1390 | G Sensor Circuit Intermittent Voltage Low |
| P1391 | G Sensor Performance |
| P1392 | G Sensor Voltage Low |
| P1393 | G Sensor Voltage High |
| P1394 | G Sensor Intermittent Voltage High |
| P1404 | EGR Valve Stuck Closed |
| P1406 | EGR Valve Pintle Position Circuit |
| P1441 | EVAP System Flow During Non-Purge |
| P1442 | EVAP Vacuum Switch Voltage High During Ignition On |
| P1459 | EVAP Emission Purge Flow Switch Malfunction |
| P1491 | EGR Valve Lift Insufficient Detected |
| P1498 | EGR Valve Lift Sensor Voltage High |
| P1508 | IAC System RPM Low |
| P1509 | IAC System RPM High |
| P1546 | A/C Compressor Clutch Output Circuit Malfunction |
| P1548 | A/C Compressor Clutch Output Circuit Malfunction |
| P1607 | PCM Internal Circuit Failure ‘‘A’’ |
| P1618 | SPI Communications Error |
| P1625 | PCM Unexpected Reset |
| P1627 | PCM A/D Conversion Malfunction |
| P1635 | 5 Volt Reference Voltage Circuit Malfunction |
| P1640 | ODM 1 Input Voltage High (Except 1998 Rodeo) |
| P1640 | ODM Output ‘‘A’’ Circuit Fault (1998 Rodeo) |
| P1650 | Quad Driver Module ‘‘A’’ Fault |
| P1790 | Trans ROM Checksum Error |
| P1792 | Trans EEPROM Checksum Error |
| P1835 | Trans Kickdown Switch Malfunction |
| P1850 | Brake Band Apply Solenoid Malfunction |
| P1860 | TCC PWM Solenoid Circuit Failure |
| P1870 | Transmission Component Slipping |
Note: It is important to remember that this information is for informational purposes only. It is not intended as repair advice, and we are not responsible for any actions taken on your vehicle. Diagnosing OBD2 codes can be complex and may require specialized tools and knowledge.
What to Do When Your 2002 Isuzu Rodeo Shows an OBD2 Code
When your 2002 Isuzu Rodeo displays a check engine light and you retrieve an OBD2 code, follow these general steps:
- Record the Code: Write down the exact code (e.g., P1106) and the description. This will be crucial for further research and communication with a mechanic.
- Research the Code: Use resources like this list and online databases to understand the potential meaning of the code. Search for “PXXXX code 2002 Isuzu Rodeo” to get more specific information related to your vehicle.
- Note Symptoms: Pay attention to any symptoms your vehicle is exhibiting, such as rough idling, stalling, poor acceleration, or unusual noises. These symptoms can provide valuable clues to the underlying problem.
- Basic Checks: Depending on the code, there might be some basic checks you can perform. For example, for sensor-related codes, you could visually inspect wiring and connectors. However, avoid attempting complex repairs without proper training.
- Consult a Professional: For accurate diagnosis and repair, it is always recommended to consult a certified mechanic. They have the expertise, tools, and diagnostic equipment to pinpoint the exact cause of the problem and perform the necessary repairs.
Understanding the OBD2 codes for your 2002 Isuzu Rodeo is a helpful first step in vehicle maintenance. By using this guide and seeking professional help when needed, you can keep your Isuzu Rodeo running reliably for years to come.
