Engine control module (ECM) - auxiliary 5 voltoutput low
Chrysler · engine
Data confidence62%
The control module detected a fault associated with the Engine control module (ECM) - auxiliary 5 voltoutput low 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.
Engine control module (ECM) - auxiliary 5 volt output low
Dodge · engine
Data confidence80%
The control module detected a fault associated with the Engine control module (ECM) - auxiliary 5 volt output low 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.
Engine control module (ECM) - auxiliary 5 volt output low
Jeep · engine
Data confidence80%
The control module detected a fault associated with the Engine control module (ECM) - auxiliary 5 volt output low 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.
Powertrain: engine, transmission and driveline systems.
1
Manufacturer-defined range: the meaning can differ between brands.
488
Specific fault index within the subsystem.
Frequently asked questions about P1488
What does P1488 mean?
Diagnostic Trouble Code (3 interpretations). The control module detected a fault associated with the Engine control module (ECM) - auxiliary 5 voltoutput low 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.
Is P1488 generic or manufacturer-specific?
P1488 is a manufacturer-specific code. In this database it is documented for: Chrysler, Dodge, Jeep. The same number can mean something different on other brands.
Can TuningBot remove P1488 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.