BMW Fault Code - 2A03

Check 2A03 Fault Code

BMW Fault Code: 2A03

2A03 - Secondary-air pump relay, activation

System: Digital Diesel Electronics

BMW System: DDE

Type: Drive

Aux Air Pump Relay

Fault Code Table : DME 9

DME 9 or ME9 is used on Valvetronic BMW engines. Valvetronic removes the need for a throttle butterfly, passing air control directly onto fully controlable valves.

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