28C4 — Lambda Sensor Heater Pre Cat Bank 2 Function
Severity: Warning
Can you drive? With caution: limp mode possible, have it checked soon
Make: BMW
| Meaning | Lambda Sensor Heater Pre Cat Bank 2 Function. |
| System | ME 9 |
| Family | Manufacturer-native code |
Frequently asked questions
What does code 28C4 mean?
Lambda Sensor Heater Pre Cat Bank 2 Function. Lambda Sensor Heater Pre Cat Bank 2 Function. (System: ME 9)
Can I keep driving with code 28C4 active?
With caution: limp mode possible, have it checked soon
How do you fix code 28C4?
Diagnosis starts from reading the live ECU parameters: the code points to the fault area, not to the part to replace. A vehicle-electronics specialist can test the component and clear the code after the repair.
Need help with this fault?
We are ECU specialists: diagnosis, file repair and remapping for cars, bikes, trucks and agricultural vehicles.
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