Emissions / AuxiliaryLow ImpactDiesel

P2455 — Diagnostic Trouble Code P2455

OBD-II diagnostic code P2455 relates to the emissions / auxiliary system. This code is logged when the ECU detects a parameter outside its expected operating range.

6+

Affected Brands

8+

ECU Platforms

2

Related Services

3

Related DTCs

Symptoms

What the driver typically experiences when P2455 is stored

!Check Engine Light
iFailed emissions test
iNo major drivability impact

Why does P2455 appear after tuning?

This code may appear after ECU modifications when the affected system monitoring has not been fully recalibrated for the new operating parameters.

How proper calibration can address P2455

WEREMAP professional calibrations include comprehensive diagnostic management for all affected systems, preventing unnecessary fault codes while maintaining safe operation.

Related Tuning Services

Relevant services for the system behind P2455

DPF OffDTC Off

Related Diagnostic Codes

Codes from the same diagnostic system as P2455

P2453Moderate Impact

Diesel Particulate Filter Differential Pressure Sensor Circuit Range/Performance

P2463Moderate Impact

Diesel Particulate Filter Soot Accumulation

P2002Moderate Impact

Diesel Particulate Filter Efficiency Below Threshold (Bank 1)

Affected ECU Platforms

Delphi DCM6.2Siemens/Continental SID211Bosch EDC17C49Bosch EDC17CP42Bosch EDC17CP18Bosch EDC17C10Siemens/Continental sid202Bosch EDC17CP06

Commonly Affected Vehicles

CitroënJumperDelphi DCM6.2
FordTransit / Transit CustomSiemens/Continental SID211
LanciaDeltaBosch EDC17C49
LandroverEvoqueBosch EDC17CP42
GMCSierraBosch EDC17CP18
Peugeot308Bosch EDC17C10

Based on data from 6+ vehicle brands. P2455 is not limited to these models.

Frequently Asked Questions

What does P2455 mean?â–¼
OBD-II diagnostic code P2455 relates to the emissions / auxiliary system. This code is logged when the ECU detects a parameter outside its expected operating range.
Why does P2455 appear after ECU tuning?â–¼
This code may appear after ECU modifications when the affected system monitoring has not been fully recalibrated for the new operating parameters.
How do you prevent P2455 during remapping?â–¼
WEREMAP professional calibrations include comprehensive diagnostic management for all affected systems, preventing unnecessary fault codes while maintaining safe operation.
Which vehicles are affected by P2455?â–¼
P2455 is commonly found on Citroën, Ford, Lancia, Landrover, GMC, Peugeot vehicles equipped with Delphi DCM6.2, Siemens/Continental SID211, Bosch EDC17C49, Bosch EDC17CP42 ECU platforms.
What other codes appear alongside P2455?â–¼
P2455 frequently appears together with P2453, P2463, P2002. These related codes typically originate from the same system modification and should be addressed together in the calibration.

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