TuningBot DTC Database · v4.37.14
12 manufacturer-specific interpretations across 11 manufacturers in the TuningBot DTC database.
BMWThe control module's internal test reported the Control Module Self Test Control Module as faulty. This is the manufacturer-specific definition used by BMW.
KiaThe control module detected a communication fault involving Transmission control module (TCM) on the vehicle network. This is the manufacturer-specific definition used by Kia.
LexusThe control module detected improper operation of the Battery voltage monitor. This is the manufacturer-specific definition used by Lexus.
MazdaThe control module detected a communication fault involving Immobilizer control module/engine control module (ECM) on the vehicle network. This is the manufacturer-specific definition used by Mazda.
MitsubishiThe control module detected a communication fault involving ECM to system LSI on the vehicle network. This is the manufacturer-specific definition used by Mitsubishi.
ECM
OpelThe control module detected improper operation of the Knock control - RAM. This is the manufacturer-specific definition used by Opel.
PorscheThe control module detected a fault associated with the Voltage Supply 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.
SubaruThe control module registered the fault condition described as "Engine control module (ECM) - programming error". This is the manufacturer-specific definition used by Subaru.
ToyotaThe control module detected improper operation of the Battery voltage monitor. This is the manufacturer-specific definition used by Toyota.
VAGThe control module detected that the Engine control module (ECM) - supply voltage stayed below the expected range. This is the manufacturer-specific definition used by Audi.
The control module detected that the Power Supply B+ Terminal 30: Voltage value was below the expected limit. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 18010. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).
VolvoThe control module detected improper operation of the Electronic throttle system (ETS), throttle return spring. This is the manufacturer-specific definition used by Volvo.
ETS
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Diagnostic Trouble Code (12 interpretations). The control module's internal test reported the Control Module Self Test Control Module as faulty. This is the manufacturer-specific definition used by BMW.
P1602 is a manufacturer-specific code. In this database it is documented for: BMW, Kia, Lexus, Mazda, Mitsubishi, Opel, Porsche, Subaru, Toyota, 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 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: Immobilizer Systems and ECU Pairing
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