Accelerator pedal point of resistance sensor information : Open circuit or short circuitto earth
PSA · engine
Data confidence72%
The control module detected an interruption (open circuit) in the Accelerator pedal point of resistance sensor information circuit. Documented for the Bosch EDC16C34 injection ECU (DV6TED4 1.6 HDi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.
Accelerator pedal hard point switch signal : Short circuit to earth
PSA · engine
Data confidence72%
The control module detected a short circuit to ground in the Accelerator pedal hard point switch signal circuit. Documented for the Magneti Marelli MM6KP engine ECU (EW7A/EW10A) on Peugeot applications; the same PSA control units are also fitted to Citroën models.
Particle filter additive system : Short circuit to earth
PSA · emissions
Data confidence72%
The control module detected a short circuit to ground in the Particle filter additive system circuit. Documented for the Siemens SID 803 injection ECU (DW10BTED4 2.0 HDi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.
Powertrain: engine, transmission and driveline systems.
1
Manufacturer-defined range: the meaning can differ between brands.
643
Specific fault index within the subsystem.
Frequently asked questions about P1643
What does P1643 mean?
Diagnostic Trouble Code (3 interpretations). The control module detected an interruption (open circuit) in the Accelerator pedal point of resistance sensor information circuit. Documented for the Bosch EDC16C34 injection ECU (DV6TED4 1.6 HDi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.
Is P1643 generic or manufacturer-specific?
P1643 is a manufacturer-specific code. In this database it is documented for: PSA. The same number can mean something different on other brands.
Can TuningBot remove P1643 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.
ItalianoIT
DeutschDE
EspañolES
PortuguêsPT
FrançaisFR
РусскийRU