Articles By

David Lawrence

P2534 Code? Here’s How to Fix It – Quickly and Easily

P2534 Code Meaning
The P2534 code is a generic OBD-II diagnostic trouble code indicating “Ignition Switch Run/Start Position Circuit Low.” It means the ...

P1401 Code? Here’s How to Fix It – Quickly and Easily

P1401 Code Meaning
P1401 is a manufacturer-specific OBD-II diagnostic trouble code. Its exact definition depends on the vehicle application, but it typically indicates ...

C0040 Code? Here’s How to Fix It – Quickly and Easily

C0040 Code Meaning
Among OBD2 error definitions, C0040 is a generic chassis code indicating a Right Front Wheel Speed Sensor Circuit fault. It ...

P0621 Code? Here’s How to Fix It – Quickly and Easily

P0621 Code Meaning
The P0621 code is a generic OBD-II diagnostic trouble code indicating “Generator Lamp ‘L’ Control Circuit Malfunction.” It means the ...

U0121 Code? Here’s How to Fix It – Quickly and Easily

U0121 Code Meaning
U0121 is a generic OBD-II network communication code indicating that a control module has lost communication with the Anti-Lock Brake ...