Wednesday, July 15, 2020

2010 BMW 128i Convertible (E88) L6-3.0L (N52K) P Code Charts

2010 BMW 128i Convertible (E88) L6-3.0L (N52K) P Code Charts

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P2626

2C3D – P2626

Information saved in

DME

Fault code

2C3D – P2626

Fault text

Oxygen sensor before catalytic converter, line fault

Fault description

O2 Sensor Pumping Current Trim Circuit/Open (Bank 1

Sensor 1)

Condition for fault identification

Test condition:

O2 sensor wire monitoring

Voltage of O2 sensor signal is too high during overrun cutoff

phase.

overrun injection deactivation

Terminal condition: Terminal 15, engine on

Voltage condition:

none

Condition for fault memory entry

285

Voltage >5.8 V during overrun injection deactivation

Action in service

1. Visual inspection of wires, DME plug and O2 sensor for

damage

2. Inspect wires

3. Check plug-in connections DME Wiring harness

Upstream (pre-cat) O2 sensor for Bank 1 (water or

corrosion in plug?) => Repeatedly remove the plug and then

reconnect it FIRMLY)

4. Check catalytic converter (is FSD lean fault entered for

the other bank?)

5. Piston rings, injectors, positive crankcase ventilation OK?

FSD fault? Then continue there!

6. Replace O2 sensor

7. Replace DME

Fault effect and breakdown warning