NOx / Emissions SensorLow ImpactDiesel & Petrol

P2204 — Diagnostic Trouble Code P2204

OBD-II diagnostic code P2204 relates to the nox / emissions sensor system. This code is logged when the ECU detects a parameter outside its expected operating range.

2+

Affected Brands

6+

ECU Platforms

2

Related Services

1

Related DTCs

Symptoms

What the driver typically experiences when P2204 is stored

!Check Engine Light
iAdBlue warning
iPossible speed limitation
iFailed emissions test

Why does P2204 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 P2204

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 P2204

AdBlue OffDTC Off

Related Diagnostic Codes

Codes from the same diagnostic system as P2204

P2200Low Impact

Diagnostic Trouble Code P2200

Affected ECU Platforms

Bosch MED17.7.2Bosch EDC17C60Bosch MED17.2.2Bosch EDC17CP46Bosch med17.7.2Bosch MED 17.7.1

Commonly Affected Vehicles

MBE / E CoupeBosch MED17.7.2
MBE200Bosch MED17.2.2
PeugeotExpert / TravellerBosch EDC17C60
MBSprinterBosch EDC17CP46
Peugeot508Bosch EDC17C60

Based on data from 2+ vehicle brands. P2204 is not limited to these models.

Frequently Asked Questions

What does P2204 mean?â–¼
OBD-II diagnostic code P2204 relates to the nox / emissions sensor system. This code is logged when the ECU detects a parameter outside its expected operating range.
Why does P2204 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 P2204 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 P2204?â–¼
P2204 is commonly found on MB, Peugeot vehicles equipped with Bosch MED17.7.2, Bosch EDC17C60, Bosch MED17.2.2, Bosch EDC17CP46 ECU platforms.
What other codes appear alongside P2204?â–¼
P2204 frequently appears together with P2200. These related codes typically originate from the same system modification and should be addressed together in the calibration.

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