TuningBot DTC Database · v4.37.15
7 manufacturer-specific interpretations across 6 manufacturers in the TuningBot DTC database.
HondaThe control module detected that the signal in the Hybrid battery pack temperature sensor 2 circuit stayed above the expected operating range. This is the manufacturer-specific definition used by Honda.
LexusThe control module detected that the signal in the Reactor Temperature circuit stayed above the expected operating range. This is the manufacturer-specific definition used by Lexus.
MINIThe control module detected an interruption (open circuit) in the Camshaft Position Actuator 'A' Control circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by MINI.
PorscheThe control module detected a fault associated with the Charge Deviations circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Porsche.
ToyotaThe control module detected that the signal in the Reactor Temperature circuit stayed above the expected operating range. This is the manufacturer-specific definition used by Toyota.
VAGThe control module determined that the Turbocharger (TC) pressure - control adaptation reached its permissible limit. This is the manufacturer-specific definition used by Audi.
The control module detected that the actual Charge Pressure Control value stayed below the specified value (negative control deviation). This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17964. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Diagnostic Trouble Code (7 interpretations). The control module detected that the signal in the Hybrid battery pack temperature sensor 2 circuit stayed above the expected operating range. This is the manufacturer-specific definition used by Honda.
P1556 is a manufacturer-specific code. In this database it is documented for: Honda, Lexus, MINI, Porsche, Toyota, VAG. 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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