LEMON Manuals: Even more car manuals for everyone: 1960-2025

Home >> BMW >> 2007 >> 750i >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Codes - DTC P1230 - DTC U1135 (N62, N73) >> Me9.2.2 Engine Operating System DTCS >> DTC P1382, BMW Hex Code 0x2E72, BMW Code 11890: Control Module Self-Test, Knock Control Test Pulse (Bank 1) (MAX) >> Possible Fault Causes

April 5, 2026: LEMON Manuals is launched! Read the announcement.

Possible Fault Causes

Knock chip defective

scientia non olet · About LEMON Manuals