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.
U0121
U0121 Code: Lost Communication with ABS Module — Causes, Symptoms & Fix
P0087
P0087 Code: Fuel Rail Pressure Too Low — Causes, Symptoms & Fix
P0238
P0238 Code: Turbo Boost Sensor A Circuit High — Causes, Symptoms & Fix
P0202
P0202 Code: Cylinder 2 Injector Circuit Open — Causes, Symptoms & Fix
P0380
P0380 Code: Glow Plug Circuit A Malfunction — Causes, Symptoms & Fix
P0100
P0100 Code: Mass Air Flow Circuit Malfunction — Causes, Symptoms & Fix
P0089
P0089 Code: Fuel Pressure Regulator Performance — Causes, Symptoms & Fix
P0201
P0201 Code: Cylinder 1 Injector Circuit Open — Causes, Symptoms & Fix
P0093
P0093 Code: Fuel System Leak Detected (Large) — Causes, Symptoms & Fix
U0401
U0401 Code: Invalid Data From ECM/PCM — Causes, Symptoms & Fix
P0638
P0638 Code: Throttle Actuator Range/Performance — Causes, Symptoms & Fix
P1705
P1705 Code: Transmission Range / TR Sensor Fault — Fix
P0366
P0366 Code: Cam Sensor B Range/Performance (Bank 1) — Causes, Symptoms & Fix
P0088
P0088 Code: Fuel Rail/System Pressure Too High — Fix
Diagn
Diagnose P0000 Easily
P0670
P0670 Code: Glow Plug Control Module Circuit — Fix Guide
P0004
P0004 Code: Fuel Volume Regulator Circuit High — Fix
P0235
P0235 Code: Turbo Boost Sensor A Circuit — Causes & Fix
P2122
P2122 Code: Pedal Position Sensor D Low Input — Fix
P0402
P0402 Code: EGR Flow Excessive Detected — Causes & Fix
Maste
Master P0236 Diagnostics
P0236
P0236 Code: Turbo Boost Sensor A Range/Performance — Fix
Modul
Module communication fault P1693?
Under
Understanding OBD-II Code P0115