19 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 |
|---|---|---|---|
| P00B7 | Cooling | MIL On / Fan High Speed | View fix |
| P0115 | Cooling | Engine Fan Runs Nonstop | View fix |
| P0116 | Cooling | Hard Cranking / No Closed Loop | View fix |
| P0117 | Cooling | Rich Mix / Stumbling Idle | View fix |
| P0118 | Cooling | Hard Cold Start / Black Smoke | View fix |
| P0119 | Cooling | Temperature Gauge Bouncing | View fix |
| P0125 | Cooling | Poor Fuel Economy / Cold Cabin | View fix |
| P0126 | Cooling | MIL On / Reduced Engine Output | View fix |
| P0128 | Cooling | Slow Cabin Heat / MIL On | View fix |
| P0217 | Cooling | Overheating Alarm / Red Dashboard Light | View fix |
| P0480 | Cooling | AC Blows Warm at Stops / Engine Hot | View fix |
| P0481 | Cooling | Engine Hot under Heavy Load / AC Cuts Off | View fix |
| P0482 | Cooling | Engine Creeps towards Hot Line | View fix |
| P0483 | Cooling | Fan Blades Spin but Engine Overheats | View fix |
| P0484 | Cooling | Cooling Fan Fuse Blows Instantly | View fix |
| P0485 | Cooling | Fans Inoperative / Temp Redlight | View fix |
| P0605 | Computer | No-Start / Cooling Fans Run Constantly | View fix |
| P2181 | Cooling | Temp Gauge Stays Low / MIL On | View fix |
| P2556 | Cooling | Engine Fan Runs Max / MIL On | View fix |
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