20 — Door closing warning device door 1
Severity: Warning
Can you drive? With caution: limp mode possible, have it checked soon
Make: MAN
| Meaning | Door closing warning device door 1. |
| System | MTS |
| Family | Manufacturer-native code |
Frequently asked questions
What does code 20 mean?
Door closing warning device door 1. Door closing warning device door 1. (System: MTS)
Can I keep driving with code 20 active?
With caution: limp mode possible, have it checked soon
How do you fix code 20?
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?
We are ECU specialists: diagnosis, file repair and remapping for cars, bikes, trucks and agricultural vehicles.
Contact us
Where to get it fixed
Related codes
- 2000 — No text! Specific to control unit
- 2001 — EDC slave not on CAN
- 2003 — Gearbox not on CAN
- 2009 — MAN Hydro Drive control unit not on CAN
- 2011 — EBS not on CAN (pneumatic backup operation)
- 2015 — Retarder engine not on CAN
- 2016 — Driveline retarder not on CAN
- 2023 — Instrumentation not on CAN
- 2037 — Radio module not on CAN
- 2039 — FFR not on CAN
- 2042 — ACC not on CAN
- 2047 — ECAS not on CAN