OBD fault code library

Look up any P or U code to see what it means, what causes it, the parts involved and how it gets fixed.

Free on OBD DashX

Looking for real-world repair data?

OBD DashX shows which problems come with each code, how often they show up in other vehicles, and how to fix them — step by step.

  • Real-world fix data
  • How often it happens
  • Step-by-step repairs
Browse codes on OBD DashX No sign-up needed · available in 10 languages
P1354 Ignition Coil C Primary Circuit Malfunction
Ignition System High severity
P1362 Ignition Coil C Secondary Circuit Malfunction
Ignition System High severity
P1364 Ignition Coil Primary Circuit Failure
Ignition System High severity
P1366 Ignition Spare
Ignition System High severity
P1371 Ignition Coil - Cylinder 1 - Early Activation Fault
Ignition System High severity
P1373 Ignition Coil - Cylinder 3 - Early Activation Fault
Ignition System High severity
P1376 Ignition Coil - Cylinder 6 - Early Activation Fault
Ignition System High severity
P1383 Variable Cam Timing Overretarded (Bank 1)
Ignition System High severity
P1386 Variable Cam Timing Over advanced (Bank 2)
Ignition System High severity
P1387 Variable Cam Timing Solenoid 2 Circuit Malfunction
Ignition System High severity
P1390 Octane Adjust Pin Out Of Self Test Range
Ignition System High severity
P1392 Glow Plug Circuit High Input (Bank 1)
Ignition System High severity
P1396 Glow Plug Monitor Fault (Bank 2)
Ignition System High severity

Search fault codes

Scan your own car

Read and clear fault codes, live data and service resets with the CaRPM app.