The control module detected improper operation of the Fuel shut - off control. This is the manufacturer-specific definition used by Alfa Romeo.
TuningBot DTC Database · v4.37.15
P1690 Diagnostic Trouble Code (12 interpretations)
12 manufacturer-specific interpretations across 12 manufacturers in the TuningBot DTC database.
Alfa Romeo
1 interpretation
Chrysler
1 interpretationThe control module detected a fault associated with the Fuel Injection Pump CKP Sensor Does Not Agree With ECM CKP Sensor circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chrysler.
Recommended checks
- Perform a full module scan
- Review freeze-frame and occurrence data
- Confirm the exact vehicle, ECU and software context
- Inspect relevant wiring and connectors
- Check applicable OEM service information
Dodge
1 interpretationThe control module detected a fault associated with the Fuel Injection Pump CKP Sensor Does Not Agree With ECM CKP Sensor 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.
Recommended checks
- Perform a full module scan
- Review freeze-frame and occurrence data
- Compare commanded and measured values
- Check applicable OEM service information
Ford
1 interpretationThe control module detected improper operation of the Wastegate Solenoid circuit. This is the manufacturer-specific definition used by Ford.
Possible causes
- Wiring open circuit/short circuit to ground
- turbocharger (TC) wastegate control solenoid
- ECM
Honda
1 interpretationThe control module detected improper operation of the Traction Control System circuit. This is the manufacturer-specific definition used by Honda.
Jeep
1 interpretationThe control module detected a fault associated with the Fuel Injection Pump CKP Sensor Does Not Agree With ECM CKP Sensor circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Jeep.
Recommended checks
- Perform a full module scan
- Review freeze-frame and occurrence data
- Confirm the exact vehicle, ECU and software context
- Inspect relevant wiring and connectors
- Check applicable OEM service information
Kia
1 interpretationThe control module detected improper operation of the Immobilizer control module. This is the manufacturer-specific definition used by Kia.
Possible causes
- Wiring
- engine control relay
- immobilizer control module
Lexus
1 interpretationThe control module detected improper operation of the OCV for VVTL circuit. This is the manufacturer-specific definition used by Lexus.
Mazda
1 interpretationThe control module detected improper operation of the Wastegate Solenoid circuit. This is the manufacturer-specific definition used by Mazda.
Opel
1 interpretationThe control module detected improper operation of the Malfunction indicator lamp (MIL) circuit. This is the manufacturer-specific definition used by Opel.
Toyota
1 interpretationThe control module detected improper operation of the Oil control valve/variable valve timing. This is the manufacturer-specific definition used by Toyota.
Possible causes
- Wiring
- oil control valve
- ECM
VAG
1 interpretationThe control module detected improper operation of the Malfunction indicator lamp (MIL) circuit. This is the manufacturer-specific definition used by Audi.
Possible causes
- Instrumentation control module trouble code(s) stored
- wiring
- matching resistor in ECM
Related and nearby codes
How to read P1690
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Frequently asked questions about P1690
What does P1690 mean?
Diagnostic Trouble Code (12 interpretations). The control module detected improper operation of the Fuel shut - off control. This is the manufacturer-specific definition used by Alfa Romeo.
Is P1690 generic or manufacturer-specific?
P1690 is a manufacturer-specific code. In this database it is documented for: Alfa Romeo, Chrysler, Dodge, Ford, Honda, Jeep, Kia, Lexus, Mazda, Opel, Toyota, VAG. The same number can mean something different on other brands.
Can TuningBot remove P1690 at file level?
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.
Other file services
Understand the system behind this code: Immobilizer Systems and ECU Pairing
