504 Generic diagnostic codes on file — with the full diagnosis, repair steps, and field insights open to read free, no signup required.
Disclaimer: General reference information for trained, qualified technicians only. Codes and procedures vary by model, serial number and software version. Always follow the manufacturer's service manual and your site's safety procedures. Use at your own risk. Not affiliated with or endorsed by any manufacturer.
| Code | System | Symptom | Full fix |
|---|---|---|---|
| P0192 | Fuel System | Engine Stalls Immediately | View fix |
| P0193 | Fuel System | No Start / Crank Only | View fix |
| P0194 | Fuel System | Engine Shudders and Cuts Out | View fix |
| P0195 | Lubrication | MIL On Only | View fix |
| P0196 | Lubrication | Service Engine Soon Light On | View fix |
| P0197 | Lubrication | MIL On | View fix |
| P0198 | Lubrication | MIL On | View fix |
| P0199 | Lubrication | Oil Temp Gauge Fluctuates | View fix |
| P0200 | Fuel System | Severe Misfire / Hard Stumble | View fix |
| P0201 | Fuel System | Dead Misfire Cylinder 1 | View fix |
| P0202 | Fuel System | Dead Misfire Cylinder 2 | View fix |
| P0203 | Fuel System | Dead Misfire Cylinder 3 | View fix |
| P0204 | Fuel System | Dead Misfire Cylinder 4 | View fix |
| P0205 | Fuel System | Dead Misfire Cylinder 5 | View fix |
| P0206 | Fuel System | Dead Misfire Cylinder 6 | View fix |
| P0207 | Fuel System | Dead Misfire Cylinder 7 | View fix |
| P0208 | Fuel System | Dead Misfire Cylinder 8 | View fix |
| P0209 | Fuel System | Dead Misfire Cylinder 9 | View fix |
| P0210 | Fuel System | Dead Misfire Cylinder 10 | View fix |
| P0211 | Fuel System | Dead Misfire Cylinder 11 | View fix |
| P0212 | Fuel System | Dead Misfire Cylinder 12 | View fix |
| P0213 | Fuel System | Hard Starting when Cold | View fix |
| P0214 | Fuel System | Extended Cranking in Cold Weather | View fix |
| P0215 | Fuel System | Engine Crank No-Start | View fix |
| P0216 | Fuel System | White Smoke / Loud Knocking | View fix |
| P0217 | Cooling | Overheating Alarm / Red Dashboard Light | View fix |
| P0218 | Transmission | Trans Slipping / Hot Fluid Smell | View fix |
| P0219 | Engine | Engine Shuts Down / Hard Cut-off | View fix |
| P0219 | Engine | Engine Shutdown / Overspeed | View fix |
| P0220 | Air Intake | Limp Mode / Check Engine Light | View fix |
| P0221 | Air Intake | Dead Pedal Zones / Hesitation | View fix |
| P0222 | Air Intake | Engine Idles Only / Forced Idle Mode | View fix |
| P0223 | Air Intake | Forced Limp Mode / High Engine Speed | View fix |
| P0224 | Air Intake | Sudden Brief Drops in Engine Response | View fix |
| P0225 | Air Intake | Limp Mode Actuated | View fix |
| P0226 | Air Intake | Dead Accelerator Pedal Operation | View fix |
| P0227 | Air Intake | Engine Forced into Low Idle State | View fix |
| P0228 | Air Intake | Immediate Acceleration Limp Mode | View fix |
| P0229 | Air Intake | Erratic Pedal Behavior on Rough Terrain | View fix |
| P0230 | Fuel System | Engine Crank No-Start / No Pump Prime | View fix |
| P0231 | Fuel System | Engine Starts and Instantly Dies | View fix |
| P0232 | Fuel System | Fuel Pump Runs Nonstop with Key Off | View fix |
| P0233 | Fuel System | Engine Sputters and Cuts Out Randomly | View fix |
| P0234 | Air Intake | Sudden Engine Cutout Under Acceleration | View fix |
| P0235 | Air Intake | No Boost Pressure / Slow Acceleration | View fix |
| P0236 | Air Intake | Turbo Lag / Black Smoke under Load | View fix |
| P0237 | Air Intake | Severe Underboost / No Turbo Power | View fix |
| P0238 | Air Intake | Limp Mode / Harsh Fuel Cutout | View fix |
| P0239 | Air Intake | Loss of Twin Turbo Synchronization | View fix |
| P0240 | Air Intake | Poor Twin Turbo Transition Response | View fix |
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