P1628 Diagnostic Trouble Code (7 interpretations)

The control module detected a fault associated with the Engine control module (ECM) - auxiliary 5 voltoutput erratic circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chrysler.

The control module detected a fault associated with the Engine control module (ECM) - auxiliary 5 voltoutput erratic circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Dodge.

The control module detected improper operation of the Vapor Lamp. This is the manufacturer-specific definition used by Hyundai.

The control module detected a fault associated with the Engine control module (ECM) - auxiliary 5 volt output erratic circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Jeep.

The control module detected the fault condition "Safety" for the Incoherent information from the brake switch or accelerator pedal sensor. Documented for the Magneti Marelli MM6KP engine ECU (EW7A/EW10A) on Peugeot applications; the same PSA control units are also fitted to Citroën models.

The control module did not receive the expected Data Bus Powertrain signal. This is the manufacturer-specific definition used by Volkswagen.

The control module detected a fault associated with the CAN data bus - communication circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Volvo.