MTU 12 V 4000 G83 troubleshooting: 16 fault codes and symptom-cause-remedy entries from the manufacturer's own service documentation.
MTU 12 V 4000 G83 — full specs, parts & maintenance.
| Code | Meaning | Remedy |
|---|---|---|
| ADEC | Engine governor ADEC (ECU 7) for Series 4000 genset engines - Fault messages | |
| 003 | HI T-Fuel | Contact Service. |
| 004 | SS T-Fuel | Contact Service. |
| 005 | HI T-Charge Air | 1. Reduce power. 2. Check intercooler. |
| 006 | SS T-Charge Air | Contact Service. |
| 015 | AL L1 T-Coolant Intercooler | |
| 016 | SS P-Lube Oil | 1. Check oil level, top up as necessary (→ Page 134). 2. Attempt to restart engine (→ Page 57). |
| 019 | HI T-Exhaust A | Check cabling (→ Page 155). |
| 020 | SS T-Exhaust A | Contact Service. |
| 021 | HI T-Exhaust B | Check cabling (→ Page 155). |
| 022 | SS T-Exhaust B | Contact Service. |
| 023 | LO Coolant Level | |
| 024 | SS Coolant Level | |
| 025 | HI P-Diff. Lube Oil | |
| 026 | HI P-Diff. Lube Oil | |
| 027 | HI Leak Fuel Level |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.