Global Fault Codes

Free · no signup

3 Global 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.

CodeSymptomFull fix
P0128Engine takes too long to warm up; A/C not cooling well. View fix
P0217Engine Shutdown. View fix
P2181Slow Warm-up View fix

Same codes keep coming back?

That's a program problem, not a part problem. Book a 30-minute uptime review with Grant, a Red Seal Heavy Duty Technician.

Book an uptime review

Ready to take control of your fleet maintenance?

AM Fleet Integrity gives you QR-code operator reporting, preventive maintenance scheduling, and predictive alerts in one place. Start your 14-day free trial — no credit card required.

Start your free trial