TuningBot DTC Database · v4.37.14
3 manufacturer-specific interpretations across 3 manufacturers in the TuningBot DTC database.
Alfa RomeoThe control module detected improper operation of the Intake manifold air control solenoid circuit. This is the manufacturer-specific definition used by Alfa Romeo.
DodgeThe control module detected improper operation of the MIL Control circuit. This is the manufacturer-specific definition used by Dodge.
VAGThe control module detected improper operation of the Instrumentation control module - system. This is the manufacturer-specific definition used by Audi.
Trouble code stored for engine oil level/ temperature sensor
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Diagnostic Trouble Code (3 interpretations). The control module detected improper operation of the Intake manifold air control solenoid circuit. This is the manufacturer-specific definition used by Alfa Romeo.
P1654 is a manufacturer-specific code. In this database it is documented for: Alfa Romeo, Dodge, 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 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.
Understand the system behind this code: Diagnostic Strategy and DTC Logic
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