2020 BMW 128i Coupe (E82) L6-3.0L (N51) Diagnostic Trouble Codes ( DTC ): P Code Charts Service instruction
none
P14C2
2AAB - P14C2
Information saved in
DME
Fault code
2AAB - P14C2
Fault text
Variable intake system, self-diagnosis
Fault description
DISA (Differentiated Intake Manifold) Actuator 1 Mechanical or Hardware Defect
Condition for fault identification
Test condition:
Monitoring of DISA controller (large valve)
Engine speed > 500 rpm
Terminal condition: Terminal 15 ON
Voltage condition:
Voltage in onboard electrical system > 10 V
Condition for fault memory entry
Valve must lock up mechanically 10 times in succession. (5x open and 5x closed)
Action in service
Replace large DISA valve
Fault effect and breakdown warning
Driver information Warning light: none
