Knowledge Hub · Fault Codes
The DTC fault-code library.
769+ OBD-II diagnostic trouble codes — meaning, causes, symptoms and the fix. Search a code or browse by family.
P0691
P0691 Code Fix
Maste
Master P0302 Repairs
2025
2025 P0412 guide
P1220
P1220 Fix
P0339
P0339 Troubles?
P208A
P208A Code Fix
P0449
P0449 Code: EVAP Vent Valve / Solenoid Circuit Malfunction — Causes, Symptoms & Fix
Clear
Clear P0340 Code: Fix Camshaft-Crankshaft Sync Issues with iCarsoft CR Eagle Diagnostics
Diagn
Diagnose and Clear P0001
P2272
P2272 Troubles?
P0506
P0506 Troubles?
Diagn
Diagnose & Clear P0131 with iCarsoft CR MAX
OBD-I
OBD-II Code P060C
P0223
P0223 Troubles?
Beat
Beat P2048
What
What is P0748 code?
Beat
Beat P228D
P20EE
P20EE Troubles?
P0091
P0091 causing hard starting?
Beat
Beat P2401 CEL
P2279
P2279 Troubles?
P0150
P0150 Code
Diagn
Diagnose & Clear C2200 with iCarsoft CR MAX
Fix P
Fix P1639 Fast