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What does your fault code mean?

Search directly in Sweden's largest database for fault codes or use our advanced tools below.

More than one
fault code at once?

When the car reports several faults simultaneously, it can be difficult to know where to start. Our intelligent analysis tool helps you see the big picture by correlating data from different control units.

  • Identify common root causes
  • See connections between seemingly different faults
  • Prioritize the right actions directly
  • Save time during troubleshooting
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DTC ANATOMY

Every digit has a meaning

P

PREFIX

System group (P, C, B, U)

0

TYPE

0 = Standard, 1 = Manufacturer specific

3

SUBSYSTEM

Which circuit it involves

0

ID

Specific fault identification

0

ID

Specific fault identification

PREFIX

System group (P, C, B, U)

TYPE

0 = Standard, 1 = Manufacturer specific

SUBSYSTEM

Which circuit it involves

ID

Specific fault identification

Correct identification saves time

"Understanding the structure of a fault code is key to faster diagnostics. Here's how a standardized P-code is built."

Q&A

FREQUENTLY ASKED QUESTIONS

Quick answers to technical questions

No, many codes are 'Pending' or 'Intermittent' and don't trigger the light immediately.

Yes, but clearing the code doesn't remove the fault. If the root cause remains, the code will return.

Manufacturer-specific codes often provide much more detailed information about what's actually failing.