Navigating car troubles can be frustrating, especially when your trusty 1997 Jeep Cherokee’s check engine light illuminates. Understanding what those warning lights mean is the first step towards effective vehicle maintenance. For 1997 Jeep Cherokees, which utilize the OBD2 (On-Board Diagnostics II) system, diagnostic trouble codes (DTCs) are your vehicle’s way of communicating potential issues. This comprehensive guide will help you decipher these 1997 Jeep Cherokee Obd2 Codes, understand their implications, and point you in the right direction for repair.
This article provides an extensive list of OBD2 codes relevant to your 1997 Jeep Cherokee, drawing from reliable sources to offer a valuable resource for troubleshooting. While this guide aims to be thorough, it’s important to remember that it’s not exhaustive and should be used as an aid in diagnostics, not as a definitive repair manual. Accurate diagnosis often requires professional tools and expertise.
Understanding OBD2 and Your 1997 Jeep Cherokee
The introduction of OBD2 systems in vehicles marked a significant advancement in automotive diagnostics. For 1997 Jeep Cherokees, this system provides a standardized way to access and interpret vehicle data, making it easier to identify problems related to emissions, engine performance, and other critical systems.
Key Benefits of OBD2 in Your 1997 Jeep Cherokee:
- Standardized Codes: OBD2 utilizes a universal set of diagnostic trouble codes, meaning a P0301 code, for example, generally indicates the same issue across different OBD2-compliant vehicles.
- Enhanced Diagnostics: OBD2 systems monitor a wider range of vehicle parameters compared to older OBDI systems, offering more detailed insights into potential problems.
- Easier Access to Information: Retrieving OBD2 codes is generally straightforward, often achievable with a simple code reader or even through a key-cycling method on some vehicles.
Retrieving OBD2 Codes on Your 1997 Jeep Cherokee
Before diving into the list of codes, it’s crucial to know how to retrieve them from your 1997 Jeep Cherokee. While using an OBD2 scanner is the most reliable and informative method, there’s also a key-cycling technique that might display codes on the odometer.
Method 1: Using an OBD2 Scanner
This is the recommended method for accuracy and ease of use.
- Locate the OBD2 Port: Typically found under the dashboard on the driver’s side.
- Plug in the Scanner: Connect your OBD2 scanner to the port.
- Turn Ignition to “ON”: Turn the key to the “ON” position without starting the engine.
- Follow Scanner Instructions: Power on the scanner and follow its prompts to read diagnostic trouble codes. The scanner will display any stored codes, usually starting with a letter (P, C, B, or U) followed by four digits.
Method 2: Key Cycling Method (May vary, Scanner Recommended)
Note: This method may not work on all 1997 Jeep Cherokees, and a scanner is generally more reliable.
- Ensure Ignition is OFF.
- Within 5 Seconds: Turn the ignition key from “OFF” to “ON,” then “OFF,” then “ON,” then “OFF,” and finally “ON,” leaving it in the “ON” position. (ON is not “Start,” and OFF is not “Lock”).
- Observe the Odometer: If successful, the odometer might display codes. It may first show “P” followed by four digits. “P” indicates powertrain codes, which are the most common for engine-related issues.
- Record the Codes: Write down any codes displayed. “P1698”, for example.
- Code 55: A code “55” typically indicates the end of the code display sequence and is normal.
Important Considerations for Code Retrieval:
- Parking Brake: In some cases, setting the parking brake might be necessary for codes to display using the key-cycling method.
- Digital Odometer: 1997 Cherokees with digital odometers usually display codes directly on the odometer rather than blinking the check engine light as in older OBDI systems.
- “Limp-In” Mode: If the computer detects a major failure, your Jeep Cherokee might enter “Limp-In” mode, which can limit engine power and transmission function to protect the vehicle. Loss of third and/or fourth gear in automatic transmissions can be a symptom of this mode.
1997 Jeep Cherokee OBD2 Codes List
Below is a comprehensive list of OBD2 codes that may be relevant to your 1997 Jeep Cherokee. These codes are categorized for easier navigation. Remember that this list is not exhaustive, but it covers a wide range of potential issues.
P0100 – P0199: Fuel and Air Metering
| Code | Description | Possible Causes |
|---|---|---|
| P0106 | Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance Problem | Faulty MAP sensor, vacuum leaks, wiring issues, PCM failure |
| P0107 | Manifold Absolute Pressure/Barometric Pressure Circuit Low Input | Short to ground in MAP sensor circuit, faulty MAP sensor, PCM failure |
| P0108 | Manifold Absolute Pressure/Barometric Pressure Circuit High Input | Short to voltage in MAP sensor circuit, faulty MAP sensor, PCM failure |
| P0112 | Intake Air Temperature Circuit Low Input | Faulty IAT sensor, short to ground in IAT sensor circuit, PCM failure |
| P0113 | Intake Air Temperature Circuit High Input | Faulty IAT sensor, short to voltage in IAT sensor circuit, PCM failure |
| P0116 | Engine Coolant Temperature Circuit Range/Performance Problem | Faulty ECT sensor, thermostat issue, cooling system problems, wiring issues |
| P0117 | Engine Coolant Temperature Circuit Low Input | Faulty ECT sensor, short to ground in ECT sensor circuit, PCM failure |
| P0118 | Engine Coolant Temperature Circuit High Input | Faulty ECT sensor, short to voltage in ECT sensor circuit, PCM failure |
| P0121 | Throttle/Pedal Position Sensor/Switch A Circuit Range/Performance Problem | Faulty TPS, throttle body issues, wiring problems, PCM failure |
| P0122 | Throttle/Pedal Position Sensor/Switch A Circuit Low Input | Faulty TPS, short to ground in TPS circuit, PCM failure |
| P0123 | Throttle/Pedal Position Sensor/Switch A Circuit High Input | Faulty TPS, short to voltage in TPS circuit, PCM failure |
| P0125 | Insufficient Coolant Temperature For Closed Loop Fuel Control | Thermostat stuck open, faulty ECT sensor, cooling system issues |
| P0130 | O2 Sensor Circuit Malfunction (Bank 1 Sensor 1) | Faulty O2 sensor, wiring issues, exhaust leaks, PCM failure |
| P0131 | O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1) | Lean air/fuel mixture, exhaust leaks, faulty O2 sensor, wiring issues |
| P0132 | O2 Sensor Circuit High Voltage (Bank 1 Sensor 1) | Rich air/fuel mixture, faulty O2 sensor, fuel pressure issues, wiring issues |
| P0133 | O2 Sensor Circuit Slow Response (Bank 1 Sensor 1) | Aging O2 sensor, exhaust leaks, vacuum leaks, wiring issues |
| P0134 | O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1) | Faulty O2 sensor, wiring issues, exhaust leaks |
| P0135 | O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1) | Faulty O2 sensor heater, wiring issues |
| P0136 | O2 Sensor Circuit Malfunction (Bank 1 Sensor 2) | Faulty O2 sensor, wiring issues, exhaust leaks, catalytic converter issues |
| P0137 | O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2) | Lean air/fuel mixture, exhaust leaks, faulty O2 sensor, wiring issues, catalytic converter issues |
| P0138 | O2 Sensor Circuit High Voltage (Bank 1 Sensor 2) | Rich air/fuel mixture, faulty O2 sensor, fuel pressure issues, wiring issues, catalytic converter issues |
| P0139 | O2 Sensor Circuit Slow Response (Bank 1 Sensor 2) | Aging O2 sensor, exhaust leaks, vacuum leaks, wiring issues, catalytic converter issues |
| P0140 | O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2) | Faulty O2 sensor, wiring issues, exhaust leaks, catalytic converter issues |
| P0141 | O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2) | Faulty O2 sensor heater, wiring issues |
| P0147 | O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 3) | Faulty O2 sensor heater, wiring issues |
| P0151 | O2 Sensor Circuit Low Voltage (Bank 2 Sensor 1) | Lean air/fuel mixture, exhaust leaks, faulty O2 sensor, wiring issues |
| P0152 | O2 Sensor Circuit High Voltage (Bank 2 Sensor 1) | Rich air/fuel mixture, faulty O2 sensor, fuel pressure issues, wiring issues |
| P0153 | O2 Sensor Circuit Slow Response (Bank 2 Sensor 1) | Aging O2 sensor, exhaust leaks, vacuum leaks, wiring issues |
| P0154 | O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) | Faulty O2 sensor, wiring issues, exhaust leaks |
| P0155 | O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1) | Faulty O2 sensor heater, wiring issues |
| P0157 | O2 Sensor Circuit Low Voltage (Bank 2 Sensor 2) | Lean air/fuel mixture, exhaust leaks, faulty O2 sensor, wiring issues, catalytic converter issues |
| P0158 | O2 Sensor Circuit High Voltage (Bank 2 Sensor 2) | Rich air/fuel mixture, faulty O2 sensor, fuel pressure issues, wiring issues, catalytic converter issues |
| P0159 | O2 Sensor Circuit Slow Response (Bank 2 Sensor 2) | Aging O2 sensor, exhaust leaks, vacuum leaks, wiring issues, catalytic converter issues |
| P0160 | O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 2) | Faulty O2 sensor, wiring issues, exhaust leaks, catalytic converter issues |
| P0161 | O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 2) | Faulty O2 sensor heater, wiring issues |
| P0171 | System Too Lean (Bank 1) | Vacuum leaks, intake leaks, faulty MAF/MAP sensor, fuel delivery issues, exhaust leaks |
| P0172 | System Too Rich (Bank 1) | Faulty O2 sensor, fuel pressure regulator issues, leaky injectors, faulty MAF/MAP sensor |
| P0174 | System Too Lean (Bank 2) | Vacuum leaks, intake leaks, faulty MAF/MAP sensor, fuel delivery issues, exhaust leaks |
| P0175 | System Too Rich (Bank 2) | Faulty O2 sensor, fuel pressure regulator issues, leaky injectors, faulty MAF/MAP sensor |
| P0176 | Fuel Composition Sensor Circuit Malfunction | Faulty fuel composition sensor, wiring issues, PCM failure |
| P0178 | Fuel Composition Sensor Circuit Low Input | Faulty fuel composition sensor, wiring issues, PCM failure |
| P0179 | Fuel Composition Sensor Circuit High Input | Faulty fuel composition sensor, wiring issues, PCM failure |
| P0182 | Fuel Temperature Sensor “A” Circuit Low Input | Faulty fuel temperature sensor, wiring issues |
| P0183 | Fuel Temperature Sensor “A” Circuit High Input | Faulty fuel temperature sensor, wiring issues |
P0200 – P0299: Injector Circuit
| Code | Description | Possible Causes |
|---|---|---|
| P0201 | Injector Circuit Malfunction – Cylinder 1 | Faulty injector, wiring issues, PCM failure |
| P0202 | Injector Circuit Malfunction – Cylinder 2 | Faulty injector, wiring issues, PCM failure |
| P0203 | Injector Circuit Malfunction – Cylinder 3 | Faulty injector, wiring issues, PCM failure |
| P0204 | Injector Circuit Malfunction – Cylinder 4 | Faulty injector, wiring issues, PCM failure |
| P0205 | Injector Circuit Malfunction – Cylinder 5 | Faulty injector, wiring issues, PCM failure |
| P0206 | Injector Circuit Malfunction – Cylinder 6 | Faulty injector, wiring issues, PCM failure |
| P0207 | Injector Circuit Malfunction – Cylinder 7 | Faulty injector, wiring issues, PCM failure |
| P0208 | Injector Circuit Malfunction – Cylinder 8 | Faulty injector, wiring issues, PCM failure |
P0300 – P0399: Misfire
| Code | Description | Possible Causes |
|---|---|---|
| P0300 | Random/Multiple Cylinder Misfire Detected | Ignition system issues (spark plugs, wires, coil packs), fuel delivery problems (injectors, fuel pump), vacuum leaks, low compression, PCM failure |
| P0301 | Cylinder 1 Misfire Detected | Ignition system issues (spark plugs, wires, coil pack), fuel injector problem, low compression in cylinder 1 |
| P0302 | Cylinder 2 Misfire Detected | Ignition system issues (spark plugs, wires, coil pack), fuel injector problem, low compression in cylinder 2 |
| P0303 | Cylinder 3 Misfire Detected | Ignition system issues (spark plugs, wires, coil pack), fuel injector problem, low compression in cylinder 3 |
| P0304 | Cylinder 4 Misfire Detected | Ignition system issues (spark plugs, wires, coil pack), fuel injector problem, low compression in cylinder 4 |
| P0305 | Cylinder 5 Misfire Detected | Ignition system issues (spark plugs, wires, coil pack), fuel injector problem, low compression in cylinder 5 |
| P0306 | Cylinder 6 Misfire Detected | Ignition system issues (spark plugs, wires, coil pack), fuel injector problem, low compression in cylinder 6 |
| P0307 | Cylinder 7 Misfire Detected | Ignition system issues (spark plugs, wires, coil pack), fuel injector problem, low compression in cylinder 7 |
| P0308 | Cylinder 8 Misfire Detected | Ignition system issues (spark plugs, wires, coil pack), fuel injector problem, low compression in cylinder 8 |
| P0320 | Ignition/Distributor Engine Speed Input Circuit Malfunction | Crankshaft position sensor issue, wiring problems, distributor problems, PCM failure |
| P0325 | Knock Sensor 1 Circuit Malfunction (Bank 1 or Single Sensor) | Faulty knock sensor, wiring issues, PCM failure |
| P0330 | Knock Sensor 2 Circuit Malfunction (Bank 2) | Faulty knock sensor, wiring issues, PCM failure |
| P0340 | Camshaft Position Sensor “A” Circuit Malfunction (Bank 1 or Single Sensor) | Faulty camshaft position sensor, wiring issues, timing chain/belt issues, PCM failure |
| P0350 | Ignition Coil Primary/Secondary Circuit Malfunction | Faulty ignition coil, wiring issues, PCM failure |
| P0351 | Ignition Coil “A” Primary/Secondary Circuit Malfunction | Faulty ignition coil (cylinder 1), wiring issues, PCM failure |
| P0352 | Ignition Coil “B” Primary/Secondary Circuit Malfunction | Faulty ignition coil (cylinder 2), wiring issues, PCM failure |
| P0353 | Ignition Coil “C” Primary/Secondary Circuit Malfunction | Faulty ignition coil (cylinder 3), wiring issues, PCM failure |
| P0354 | Ignition Coil “D” Primary/Secondary Circuit Malfunction | Faulty ignition coil (cylinder 4), wiring issues, PCM failure |
| P0355 | Ignition Coil “E” Primary/Secondary Circuit Malfunction | Faulty ignition coil (cylinder 5), wiring issues, PCM failure |
| P0356 | Ignition Coil “F” Primary/Secondary Circuit Malfunction | Faulty ignition coil (cylinder 6), wiring issues, PCM failure |
| P0357 | Ignition Coil “G” Primary/Secondary Circuit Malfunction | Faulty ignition coil (cylinder 7), wiring issues, PCM failure |
| P0358 | Ignition Coil “H” Primary/Secondary Circuit Malfunction | Faulty ignition coil (cylinder 8), wiring issues, PCM failure |
P0400 – P0499: Auxiliary Emission Controls
| Code | Description | Possible Causes |
|---|---|---|
| P0401 | Exhaust Gas Recirculation Flow Insufficient Detected | Blocked EGR passages, faulty EGR valve, vacuum leaks, faulty EGR sensor, wiring issues |
| P0403 | Exhaust Gas Recirculation Control Circuit Malfunction | Faulty EGR valve solenoid, wiring issues, PCM failure |
| P0404 | Exhaust Gas Recirculation Circuit Range/Performance | Faulty EGR valve, carbon buildup in EGR valve, wiring issues |
| P0405 | Exhaust Gas Recirculation Sensor “A” Circuit Low | Faulty EGR position sensor, wiring issues, PCM failure |
| P0406 | Exhaust Gas Recirculation Sensor “A” Circuit High | Faulty EGR position sensor, wiring issues, PCM failure |
| P0412 | Secondary Air Injection System Switching Valve Control Circuit | Faulty air injection valve, wiring issues, vacuum leaks |
| P0420 | Catalyst System Efficiency Below Threshold (Bank 1) | Faulty catalytic converter, exhaust leaks, faulty O2 sensors, engine misfires |
| P0432 | Catalyst System Efficiency Below Threshold (Bank 2) | Faulty catalytic converter, exhaust leaks, faulty O2 sensors, engine misfires |
| P0441 | Evaporative Emission Control System Incorrect Purge Flow | Faulty purge valve, vacuum leaks, blocked EVAP lines, faulty fuel tank pressure sensor |
| P0442 | Evaporative Emission Control System Leak Detected (Small Leak) | Leaky fuel cap, cracked EVAP lines, faulty purge valve, faulty vent valve, faulty fuel tank pressure sensor |
| P0443 | Evaporative Emission Control System Purge Control Valve Circuit | Faulty purge valve solenoid, wiring issues |
| P0455 | Evaporative Emission Control System Leak Detected (Large Leak) | Leaky fuel cap, cracked EVAP lines, faulty purge valve, faulty vent valve, faulty fuel tank pressure sensor |
| P0456 | Evaporative Emission Control System Leak Detected (Very Small Leak) | Leaky fuel cap, cracked EVAP lines, faulty purge valve, faulty vent valve, faulty fuel tank pressure sensor |
| P0460 | Fuel Level Sensor Circuit Malfunction | Faulty fuel level sensor, wiring issues, instrument cluster issues |
| P0461 | Fuel Level Sensor Circuit Range/Performance | Faulty fuel level sensor, wiring issues, fuel tank issues |
| P0462 | Fuel Level Sensor Circuit Low Input | Short to ground in fuel level sensor circuit, faulty fuel level sensor, wiring issues |
| P0463 | Fuel Level Sensor Circuit High Input | Short to voltage in fuel level sensor circuit, faulty fuel level sensor, wiring issues |
P0500 – P0599: Vehicle Speed Controls and Idle Control System
| Code | Description | Possible Causes |
|---|---|---|
| P0500 | Vehicle Speed Sensor “A” Malfunction | Faulty speed sensor, wiring issues, ABS system problems, PCM failure |
| P0505 | Idle Air Control System Malfunction | Faulty IAC valve, vacuum leaks, throttle body issues, wiring issues, PCM failure |
| P0522 | Engine Oil Pressure Sensor/Switch Low Input | Faulty oil pressure sensor, low oil pressure, wiring issues |
| P0523 | Engine Oil Pressure Sensor/Switch High Input | Faulty oil pressure sensor, wiring issues, PCM failure |
| P0551 | Power Steering Pressure Sensor/Switch Circuit | Faulty power steering pressure switch, wiring issues |
P0600 – P0699: Computer Output Circuit
| Code | Description | Possible Causes |
|---|---|---|
| P0600 | Serial Communication Link Malfunction | Wiring issues in CAN bus, PCM failure, other module failures |
| P0601 | Internal Control Module Memory Check Sum Error | PCM failure |
| P0604 | Internal Control Module Random Access Memory (RAM) Error | PCM failure |
| P0605 | Internal Control Module Read Only Memory (ROM) Error | PCM failure |
| P0615 | Starter Relay Circuit Malfunction | Faulty starter relay, wiring issues, PCM failure |
| P0622 | Generator Field Control Circuit Malfunction | Faulty alternator, wiring issues, PCM failure |
| P0645 | A/C Clutch Relay Control Circuit Malfunction | Faulty A/C clutch relay, wiring issues, PCM failure, A/C system issues |
P0700 – P0899: Transmission Control System
| Code | Description | Possible Causes |
|---|---|---|
| P0700 | Transmission Control System Malfunction | Transmission control module (TCM) failure, wiring issues, internal transmission problems |
| P0703 | Brake Switch “B” Circuit Input | Faulty brake light switch, wiring issues |
| P0711 | Transmission Fluid Temperature Sensor Circuit Range/Performance | Faulty TFT sensor, wiring issues, transmission fluid level issues |
| P0712 | Transmission Fluid Temperature Sensor Circuit Low Input | Faulty TFT sensor, short to ground in TFT sensor circuit, wiring issues |
| P0713 | Transmission Fluid Temperature Sensor Circuit High Input | Faulty TFT sensor, short to voltage in TFT sensor circuit, wiring issues |
| P0720 | Output Shaft Speed Sensor Circuit Malfunction | Faulty output speed sensor, wiring issues, PCM failure |
| P0740 | Torque Converter Clutch Circuit Malfunction | Faulty torque converter clutch solenoid, wiring issues, internal transmission problems |
| P0743 | Torque Converter Clutch Circuit Electrical | Faulty torque converter clutch solenoid, wiring issues, internal transmission problems |
| P0748 | Pressure Control Solenoid “A” Electrical | Faulty pressure control solenoid, wiring issues, internal transmission problems |
| P0751 | Shift Solenoid “A” Performance or Stuck Off | Faulty shift solenoid, wiring issues, valve body issues, internal transmission problems |
| P0753 | Shift Solenoid “A” Electrical | Faulty shift solenoid, wiring issues, internal transmission problems |
| P0756 | Shift Solenoid “B” Performance or Stuck Off | Faulty shift solenoid, wiring issues, valve body issues, internal transmission problems |
| P0783 | 3-4 Shift Solenoid Malfunction | Faulty shift solenoid, wiring issues, valve body issues, internal transmission problems, mechanical transmission problems |
| P0801 | Reverse Inhibit Control Circuit Malfunction | Faulty reverse lockout solenoid, wiring issues, shifter linkage issues |
| P0833 | Clutch Pedal Switch Circuit Malfunction | Faulty clutch pedal switch, wiring issues (manual transmission vehicles) |
P1100 – P1199: Manufacturer Specific Fuel and Air Metering and Auxiliary Emission Controls
| Code | Description | Possible Causes |
|---|---|---|
| P1192 | Inlet Air Temperature Sensor Circuit Low Input | Faulty inlet air temperature sensor, wiring issues, PCM failure |
| P1193 | Inlet Air Temperature Sensor Circuit High Input | Faulty inlet air temperature sensor, wiring issues, PCM failure |
| P1194 | Heated Oxygen Sensor Heater Circuit Malfunction | Faulty O2 sensor heater, wiring issues |
| P1195 | Heated Oxygen Sensor Slow Response | Aging O2 sensor, exhaust leaks, vacuum leaks, wiring issues |
| P1196 | Heated Oxygen Sensor Switched Too Slowly (Bank 2) | Aging O2 sensor, exhaust leaks, vacuum leaks, wiring issues |
| P1197 | Heated Oxygen Sensor Switched Too Slowly (Bank 1) | Aging O2 sensor, exhaust leaks, vacuum leaks, wiring issues |
| P1198 | Radiator Coolant Temperature Sensor Circuit Low Input | Faulty radiator coolant temperature sensor, wiring issues |
| P1199 | Radiator Coolant Temperature Sensor Circuit High Input | Faulty radiator coolant temperature sensor, wiring issues |
P1200 – P1299: Manufacturer Specific Fuel and Air Metering and Idle Control
| Code | Description | Possible Causes |
|---|---|---|
| P1281 | Engine Is Cold Too Long | Thermostat stuck open, faulty ECT sensor, cooling system issues |
| P1282 | Fuel Pump Relay Control Circuit Malfunction | Faulty fuel pump relay, wiring issues, PCM failure |
| P1288 | Intake Manifold Runner Control Circuit Malfunction | Faulty intake manifold runner control valve, vacuum leaks, wiring issues |
| P1289 | Manifold Tuning Valve Solenoid Control Circuit Malfunction | Faulty manifold tuning valve solenoid, vacuum leaks, wiring issues |
| P1290 | CNG Pressure Too High | CNG system issues, pressure regulator problems |
| P1291 | Heated Air Intake System Malfunction | Faulty heated air intake system components, wiring issues |
| P1292 | Natural Gas Pressure Sensor Circuit Malfunction | Faulty natural gas pressure sensor, wiring issues |
| P1293 | Natural Gas Pressure Sensor Circuit Malfunction | Faulty natural gas pressure sensor, wiring issues |
| P1294 | Target Idle Not Reached | Vacuum leaks, idle air control system issues, throttle body issues |
| P1295 | Throttle Position Sensor 5 Volt Supply Circuit Malfunction | Wiring issues, PCM failure |
| P1296 | MAP Sensor 5 Volt Supply Circuit Malfunction | Wiring issues, PCM failure |
| P1297 | MAP Sensor Signal Voltage Too Low | Vacuum leaks, faulty MAP sensor, wiring issues |
| P1298 | Lean During Wide Open Throttle | Fuel delivery issues, vacuum leaks, faulty O2 sensor |
| P1299 | MAP Sensor and TPS Inconsistent | Vacuum leaks, faulty MAP sensor, faulty TPS, wiring issues |
P1300 – P1399: Manufacturer Specific Ignition System or Misfire
| Code | Description | Possible Causes
