3400 — Trailer control module, no fault
Severity: Warning
Can you drive? With caution: limp mode possible, have it checked soon
Make: MAN
| Meaning | Trailer control module, no fault. |
| System | EBS |
| Family | Manufacturer-native code |
Frequently asked questions
What does code 3400 mean?
Trailer control module, no fault. Trailer control module, no fault. (System: EBS)
Can I keep driving with code 3400 active?
With caution: limp mode possible, have it checked soon
How do you fix code 3400?
Diagnosis starts from reading the live ECU parameters: the code points to the fault area, not to the part to replace. A vehicle-electronics specialist can test the component and clear the code after the repair.
Need help with this fault?
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Where to get it fixed
Related codes
- 34 — Stop request display door 5
- 3400 — Flame start solenoid valve
- 3401 — Trailer control module control electronics,
- 3401 — Engine oil level too high/low (static)
- 3401 — Flame start relay
- 3402 — Throttle butterfly position deviation
- 3402 — Trailer control module
- 3402 — Engine oil level too high (dynamic)
- 3402 — Flame glow plug current
- 3403 — Throttle butterfly output stage switched off
- 3403 — Trailer control module control electronics,
- 3403 — Engine oil level too low (dynamic)