Scania EMS-S6 Fault Codes. Schematic Diagram
This technical manual covers the Scania (EDC S6) EMS-S6 engine management system, including a list of fault codes (including flash codes), electrical connection diagrams and self-diagnosis algorithms. Suitable for specialists in the maintenance, diagnostics and repair of Scania electronically controlled engines. Pinout
- Electrical connection diagrams of EMS components
- Controller operation logic
- Input / output signals and continuity testing of circuits
- Voltage and resistance value tables
- Scania with DC09, DC13, DC16 engines (Euro 5/6)
- Buses, tractors and chassis of the P, G, R, S series
EDC S6/EMS-S6/EDC MS6
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EMS-S6 Fault code and Flash codes
| Flash code | Fault code | Description |
|---|---|---|
| 0 | – | No fault detected |
| 11 | 1100...1101 | Overrevving: one or both engine speed sensors are displaying speeds > 3000 rpm |
| 12 | 1100–1107 | Engine speed sensor 1 faulty or incorrect signal |
| 13 | 1200–1207 | Engine speed sensor 2 faulty or incorrect signal |
| 14 | 2000–2002 | Coolant temperature sensor faulty or incorrect signal |
| 15 | 2100–2102 | Charge air temperature sensor faulty or incorrect signal |
| 16 | 2200–2203 | Charge air temperature sensor faulty or incorrect signal |
| 17 | 2300–2303 | Oil temperature sensor faulty or incorrect signal |
| 18 | 2400–2403 | Oil pressure sensor faulty or incorrect signal |
| 23 | FFFE | Fault code internally in the coordinator |
| 24 | 3003 | Accelerator pedal / Brake sensor both activated simultaneously |
| 25 | 3106 | Accelerator pedal sensor / idling or kickdown switch |
| 27 | FFEE | Engine shutdown disconnected |
| 28 | FFFB | Shut-off level for oil pressure |
| 31 | ES00 | Oil pressure protection activated |
| 32 | FFED | Incorrect parameters for limp home function |
| 33 | 3200–3205 | Battery voltage incorrect or no signal |
| 37 | FFFD | Emergency shut-off switch activated by CAN message from coordinator |
| 43 | 4000 | CAN circuit fault in the control unit |
| 48 | 3300–3301 | Incorrect or missing CAN message from coordinator |
| 49 | 3403 | Incorrect CAN version in control unit or coordinator |
| 51 | C000–C006 | PDE in cylinder 1: solenoid valve malfunction |
| Flash code | Fault code | Description |
|---|---|---|
| 52 | C100–C106 | PDE in cylinder 2: solenoid valve functioning incorrectly |
| 53 | C200–C206 | PDE in cylinder 3: solenoid valve functioning incorrectly |
| 54 | C300–C306 | PDE in cylinder 4: solenoid valve functioning incorrectly |
| 55 | C400–C406 | PDE in cylinder 5: solenoid valve functioning incorrectly |
| 56 | C500–C506 | PDE in cylinder 6: solenoid valve functioning incorrectly |
| 57 | C600–C606 | PDE in cylinder 7: solenoid valve functioning incorrectly (16-litre engine only) |
| 58 | C700–C706 | PDE in cylinder 8: solenoid valve functioning incorrectly (16-litre engine only) |
| 59 | 2800–2802 | Incorrect signal in extra analog input |
| 61 | 4100 | Incorrect control unit shutdown |
| 66 | FFEA–FFEB | Shutdown/protection level for low coolant level |
| 69 | FFF8–FFF9 | Starter motor function interrupted or not activated |
| 83 | 4102 | Fault in memory circuit (EEPROM) in control unit |
| 84 | 4101 | Data transfer to control unit memory (EEPROM) interrupted |
| 86 | 4300–4303 | Internal fault in control unit: hardware control failure |
| 87 | 4200–4202 | Fault in control unit RAM |
| 88 | 4400–4407 | Internal control unit fault: memory fault |
| 89 | E300 | Defective seal: illegal software editing detected |
| 96 | FFFA | Shut-off level for coolant temperature |
| 97 | E200 | Alarm limit for high coolant temperature |
| 98 | 2600–2601, 2700–2701 | Faulty voltage supply to one of the sensors |
| 99 | E000–E006 | Internal hardware fault in the processor (TPU) |
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