The control module detected a communication fault involving Engine control module (ECM) on the vehicle network. This is the manufacturer-specific definition used by Chrysler.
Possible causes
ECM
TuningBot DTC Database · v4.37.15
4 manufacturer-specific interpretations across 4 manufacturers in the TuningBot DTC database.
The control module detected a communication fault involving Engine control module (ECM) on the vehicle network. This is the manufacturer-specific definition used by Chrysler.
ECM
The control module detected a communication fault involving Engine control module (ECM) on the vehicle network. This is the manufacturer-specific definition used by Dodge.
ECM
The control module detected a fault associated with the CVT - poor acceleration circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Honda.
The control module registered the fault condition described as "Engine speed calculation error". This is the manufacturer-specific definition used by Jeep.
ECM
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Diagnostic Trouble Code (4 interpretations). The control module detected a communication fault involving Engine control module (ECM) on the vehicle network. This is the manufacturer-specific definition used by Chrysler.
P1897 is a manufacturer-specific code. In this database it is documented for: Chrysler, Dodge, Honda, Jeep. The same number can mean something different on other brands.
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.
Understand the system behind this code: Diagnostic Strategy and DTC Logic