Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
188
Specific fault index within the subsystem.
Frequently asked questions about P2188
What does P2188 mean?
System too rich at idle, bank 1. The control module detected that the air-fuel mixture stayed richer than the target despite full corrective control (System).
Is P2188 generic or manufacturer-specific?
P2188 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P2188 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
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