2E1A - P1303

2020 BMW 128i Coupe (E82) L6-3.0L (N51) Diagnostic Trouble Codes ( DTC ): Service instruction

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2E1A

2E1A - P1303

Information saved in

DME

Fault code

2E1A - P1303

Fault text

Firing, cylinder 3

Fault description

Ignition Monitoring Cylinder 3 Spark Duration Too Short

Condition for fault identification

Test condition:

Engine on, start phase completed, crankshaft absolves 48 revolutions after start (corresponding to approximately 5 sec. at idle), dual ignition off, secondary sparks off Terminal condition: Terminal 15 ON

Voltage condition:

Voltage in onboard electrical system > 11 V

Condition for fault memory entry

Segment synchronization

Action in service

Check wiring harness, ground connection and plug-in contacts. Visual inspection of spark plug, ignition coil (replace if damaged). After excluding all of these faults from consideration replace the control module.

Fault effect and breakdown warning

Driver information Warning light: none