What does code P1476 mean?

Q: What does code P1476 mean?

Leakage Diagnostic Pump Clamped Tube. P1476 on BMW vehicles indicates that the engine control module (DME) has detected a fault with the clamped tube that connects the leakage diagnostic pump to the fuel tank venting system. The DME monitors the pump's ability to pressurize the system and flags this code when the clamped tube is disconnected, cracked, or improperly sealed, preventing a valid leak test.

DTC codes / BMW codes / P1476

P1476 · BMWLeakage Diagnostic Pump Clamped Tube

P1476 on BMW vehicles indicates that the engine control module (DME) has detected a fault with the clamped tube that connects the leakage diagnostic pump to the fuel tank venting system. The DME monitors the pump's ability to pressurize the system and flags this code when the clamped tube is disconnected, cracked, or improperly sealed, preventing a valid leak test.

SystemPowertrain

Code typeBMW specific

SeverityLow

Fix difficultyIntermediate

AreaAuxiliary emission controls

Guidance is general and written for BMW vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.