The control module detected improper operation of the VVT circuit. This is the manufacturer-specific definition used by BMW.
Possible causes
- Connections
- knock sensor (KS) short to positive
- KS short to ground
- wiring open circuit
TuningBot DTC Database · v4.37.14
2 manufacturer-specific interpretations across 2 manufacturers in the TuningBot DTC database.
The control module detected improper operation of the VVT circuit. This is the manufacturer-specific definition used by BMW.
The control module detected an interruption (open circuit) in the Ignition coil , 5 - primary circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Dodge.
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Diagnostic Trouble Code (2 interpretations). The control module detected improper operation of the VVT circuit. This is the manufacturer-specific definition used by BMW.
P1003 is a manufacturer-specific code. In this database it is documented for: BMW, Dodge. 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