TuningBot DTC Database · v4.37.15
Manufacturer-specific interpretation for Dodge. All interpretations of P1688
The control module detected improper operation of the Internal Fuel Injection Pump Controller circuit. 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.
Internal Fuel Injection Pump Controller Failure. The control module detected improper operation of the Internal Fuel Injection Pump Controller circuit. This is the manufacturer-specific definition used by Dodge.
P1688 is a manufacturer-specific code. In this database it is documented for: 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. 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
ItalianoIT
DeutschDE
EspañolES
PortuguêsPT
FrançaisFR
РусскийRU