P1894 — Control module not/incorrectly coded
Severity: Warning
Can you drive? With caution: limp mode possible, have it checked soon
Make: Mercedes-Benz
| Meaning | Control module not/incorrectly coded. |
| Family | Powertrain (P) |
Frequently asked questions
What does code P1894 mean?
Control module not/incorrectly coded. Control module not/incorrectly coded.
Can I keep driving with code P1894 active?
With caution: limp mode possible, have it checked soon
How do you fix code P1894?
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
- P1813 — clutch switch (S40/3) discontinuity,short circuit to ground
- P1817 — 001 reversing light switch S16/10s1 contact point short circ...
- P1819 — 001 R/P lock contact switch short circuit to ground
- P1822 — kickdown switch (S16/6) error
- P1840 — 1-4 shift solenoid valve Y3/7y1
- P1841 — Solenoid valve Y3/7y2 3 shift
- P1842 — Solenoid valve Y3/7y3 2-5-R shift
- P1843 — Torque converter lockup clutch (KUeB) Y3/7y4
- P1844 — Control solenoid valve Y3/7y5 shift pressure
- P1849 — Speed sensors supply voltage < 4 V
- P1850 — Transmission rpm sensor Y3/7n1
- P1856 — 000 process recognition module