Engine control module (ECM) - auxiliary 5 voltoutput erratic
Dodge · engine
Data confidence62%
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.
Powertrain: engine, transmission and driveline systems.
1
Manufacturer-defined range: the meaning can differ between brands.
628
Specific fault index within the subsystem.
Frequently asked questions about P1628
What does P1628 mean?
Engine control module (ECM) - auxiliary 5 voltoutput erratic. 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.
Is P1628 generic or manufacturer-specific?
P1628 is a manufacturer-specific code. In this database it is documented for: Dodge. The same number can mean something different on other brands.
Can TuningBot remove P1628 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
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