2002 Isuzu Rodeo OBD2 Codes List: Your Guide to Decoding Engine Issues

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:

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.

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