TuningBot DTC Database · v4.37.15
8 manufacturer-specific interpretations across 8 manufacturers in the TuningBot DTC database.
DodgeThe control module detected a fault associated with the PCM Memory Performance or Write 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.
FordThe control module detected a fault associated with the Tire / Axle Ratio Out of Acceptable Range circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Ford.
HondaThe control module detected improper operation of the Battery condition monitor module. This is the manufacturer-specific definition used by Honda.
HyundaiThe control module detected improper operation of the Water Heater Relay. This is the manufacturer-specific definition used by Hyundai.
MazdaThe control module registered the fault condition described as "Engine control module (ECM) - processor fault". This is the manufacturer-specific definition used by Mazda.
ECM
OpelThe control module's internal test reported the Engine control module (ECM) as faulty. This is the manufacturer-specific definition used by Opel.
VAGThe control module did not receive the expected CAN data bus, AC signal. This is the manufacturer-specific definition used by Audi.
VolvoThe control module detected that the Engine control module (ECM), internal temperature signal stayed below the expected range. This is the manufacturer-specific definition used by Volvo.
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Diagnostic Trouble Code (8 interpretations). The control module detected a fault associated with the PCM Memory Performance or Write 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.
P1635 is a manufacturer-specific code. In this database it is documented for: Dodge, Ford, Honda, Hyundai, Mazda, Opel, VAG, Volvo. 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
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