All OBD2 Diagnostic Codes

P0600 High

Serial Communication Link Malfunction

Communication problem between the engine control module and other vehicle control modules.

P0601 High

Internal Control Module Memory Check Sum Error

The engine control module has detected an internal memory error that affects its operation.

P0602 High

Control Module Programming Error

The engine control module programming is corrupted or incorrect for the vehicle application.

P0603 Medium

Internal Control Module Keep Alive Memory Error

The engine control module has lost its keep alive memory, which stores learned parameters and adaptations.

P0604 High

Internal Control Module Random Access Memory Error

The engine control module has detected an error in its random access memory (RAM).

P0605 High

P0605: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from communicating with other vehicle systems.

P0606 Medium

P0606: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other vehicle systems.

P0607 Medium

P0607: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending proper signals to other vehicle systems.

P0608 Medium

P0608: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending proper signals to other vehicle systems.

P0609 Medium

P0609: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending proper signals to other vehicle systems.

P0610 Medium

P0610: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other engine components.

P0611 Medium

P0611: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other engine components.

P0612 Medium

P0612: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other engine components.

P0613 Medium

P0613: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending proper signals to other engine control systems.

P0614 Medium

P0614: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other engine components.

P0615 Medium

P0615: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other engine control systems.

P0616 Medium

P0616: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other engine components.

P0617 Medium

P0617: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other engine components.

P0618 Medium

P0618: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other engine control modules or components.

P0619 Medium

P0619: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other engine components.

P0620 Medium

P0620: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending proper signals to other engine control systems.

P0621 Medium

P0621: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from communicating with other vehicle systems.

P0622 Medium

P0622: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other engine components.

P0623 Medium

P0623: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other engine components.

P0624 Medium

P0624: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other engine components.

P0625 Medium

P0625: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other engine control systems.

P0626 Medium

P0626: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other vehicle systems.

P0627 Medium

P0627: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other engine components.

P0628 Medium

P0628: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other engine components.

P0629 Medium

P0629: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other vehicle systems.

P0630 Medium

P0630: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from communicating with other vehicle systems.

P0631 Medium

P0631: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other vehicle systems.

P0632 Medium

P0632: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from communicating with other vehicle systems.

P0633 Medium

P0633: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other vehicle systems.

P0634 Medium

P0634: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other vehicle systems.

P0635 Medium

P0635: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from communicating with other vehicle systems.

P0636 Medium

P0636: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from communicating with other vehicle systems.

P0637 Medium

P0637: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from communicating with other vehicle systems.

P0638 Medium

P0638: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other vehicle systems.

P0639 Medium

P0639: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from communicating with other vehicle systems.

P0640 Medium

P0640: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other engine control systems.

P0641 Medium

P0641: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other vehicle systems.

P0642 Medium

P0642: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other engine control systems.

P0643 Medium

P0643: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other vehicle systems.

P0644 Medium

P0644: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other engine control systems.

P0645 Medium

P0645: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other vehicle systems.

P0646 Medium

P0646: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other engine control systems.

P0647 Medium

P0647: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other vehicle systems.

P0648 Medium

P0648: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other vehicle systems.

P0649 Medium

P0649: Engine Control Module (ECM) Output Circuit Malfunction

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other vehicle systems.