Brake switch signal : Lack of coherence between the 2 brake pedal signals
PSA · braking
Data confidence72%
The control module detected the fault condition "Lack of coherence between the 2 brake pedal signals" for the Brake switch signal. 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.
Principal brake and secondary brake information fault : Coherence
PSA · engine
Data confidence72%
The control module detected that the Principal brake and secondary brake information fault was not coherent with related operating data. Documented for the Bosch MED 17.4.x engine ECU (EP6 THP family) on Peugeot applications; the same PSA control units are also fitted to Citroën models.
Applies toPeugeotBosch MED 17.4.x engine ECU (EP6 THP family)
P1536
Principal brake and secondary brake information fault : Coherence
PSA · engine
Data confidence72%
The control module detected that the Principal brake and secondary brake information fault was not coherent with related operating data. Documented for the Bosch MEV17.4 engine ECU (EP6 1.6 VTi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.
Measurement of the brake pedal position : Lack of coherence between the two brake sensors detected on deceleration
PSA · engine
Data confidence72%
The control module detected the fault condition "Lack of coherence between the two brake sensors detected on deceleration" for the Measurement of the brake pedal position. 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.
Brake pedal sensor : Incoherence between the 2 brake sensors detected when decelerating
PSA · braking
Data confidence72%
The control module detected the fault condition "Incoherence between the 2 brake sensors detected when decelerating" for the Brake pedal sensor. 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.
Brake switch signal : Coherence
PSA · braking
Data confidence72%
The control module detected that the Brake switch signal was not coherent with related operating data. 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.
536
Specific fault index within the subsystem.
Frequently asked questions about P1536
What does P1536 mean?
Diagnostic Trouble Code (6 interpretations). The control module detected the fault condition "Lack of coherence between the 2 brake pedal signals" for the Brake switch signal. 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 P1536 generic or manufacturer-specific?
P1536 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 P1536 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.
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