The control module detected a short circuit to ground in the Particle filter additive system 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.
TuningBot DTC Database · v4.37.15
P1443 PSA - Diagnostic Trouble Code (4 interpretations)
Manufacturer-specific interpretation for PSA. All interpretations of P1443
What P1443 means
The control module detected a short circuit to ground in the Control of the additive pump by wire circuit. Documented for the Continental SID 807 injection ECU (DV6C 1.6 HDi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.
The control module detected a short circuit to ground in the Wired additive pump circuit. Documented for the Delphi DCM 3.5 injection ECU (DW10C 2.0 HDi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.
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.
Related and nearby codes
How to read P1443
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 P1443
What does P1443 mean?
Diagnostic Trouble Code (4 interpretations). The control module detected a short circuit to ground in the Particle filter additive system 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 P1443 generic or manufacturer-specific?
P1443 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 P1443 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: DPF System
