AGM Battery

MINI and BMW charging strategy is designed around an AGM battery. A flooded battery, or a weak one, causes module resets and CAN dropouts during programming and long diagnostic sessions that look like real faults.

Documented repairs

2010 MINI Cooper S Crank No-Start: Crank Sensor Circuit & DME

2010 MINI Cooper S (R56, N14 1.6L Turbo)

A0B1A0B42BD42983

A 2010 MINI Cooper S cranked but would not start with no RPM at the DME. Scope testing traced it to a dead crank sensor signal bias inside the DME.

Read the diagnosis →

Fault Codes

• 2983 — Inlet Camshaft
• 2BD4 — Sensor Supply 3 Out Of Range
• A0B1 — CAS: Selector Lever / Clutch Input Implausible
• A0B4 — CAS: Engine Start, Starter Operation

Engines

• N14 1.6L Turbo

Models

• R56 MINI Cooper S

Repairs by System

• Electrical
• DME
• Engine Electrical
• No Start
• Starting Problems

Symptoms

• Extended Crank
• No Start
• Reduced Engine Power
• Running Rich
• Stalling

Procedures

• Wiring Repair
• Compression Testing
• DME Programming
• ISTA Diagnosis
• Oscilloscope Testing