Mercedes Benz Siemens FTC (722.7) Repair - TCUs
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Common problems
- Multiple Gear change errors errors
- P1840 - Valve Y3/7Y1 - PWM Solenoid valve 1/4 shift
- P1841 - Valve Y3/7Y2 - PWM Solenoid valve 3 shift
- P1842 - Valve Y3/7Y3 - PWM Solenoid valve 2/5/R shift
- P1843 - Valve Y3/7Y4 - PWM Solenoid valve Torque converter lock up clutch
- P1850 - Y3/7N1 - Transmission RPM sensor
- P1858 - Y3/7S1 - Starter lock-out contact
Is your complaint not listed? Please contact our customer service
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website.custom_page.product.how_we_work.message_stockHow we work
We remanufacture the part you send. Prices are exclusive of VAT and possible shipping costs. Offer only applies to garages and dealers and not to individuals.
Can be remanufactured
| OBDII | Description | |
| P1840 (2120) | PWM solenoid valve 1 / 4 shift | |
| P1841 (2121) | PWM solenoid valve 3 shift | |
| P1842 (2122) | PWM solenoid valve 2 / 5 / R shift | |
| P1843 | PWM solenoid valve torque convertor lockup clutch | |
| P1844 | PWM shift valve circuit | |
| P1850 (2204) | Transmission RPM sensor Y3/7n1 | |
| P1858 (2227) | Starter lockout contact | |
| P1897 | Control module N15/7 faulty | |
| P1903 | Control module N15/7 faulty |
Remanufacture may be possible
| OBDII | Description | |
| P1895 (200a) | Internal fault in control unit |
This error code will never actually appear independently. Therefore, look carefully at the rest of the error codes to make the correct diagnosis.
| P1709 | Park / Neutral switch | |
| P1756 | Selector lever implausible | |
| P1872 | CAN signal from gear regognition module faulty | |
| P1875 | CAN communication ESP | |
| P2031 | No signal or error signal from control unit N15/5 | |
| P2210 | Selector lever coding is invalid | |
| P2211 | The selector lever is in an intermediate position | |
| P2212 | The selector lever position is implausible | |
| P2318 | Fault in CAN communication with control unit N15/5 | |
| P2333 | The CAN signal from control unit N15/5 | |
| P2338 | The CAN signal from control unit N15/5 | |
| 2310 | CAN communication with TCS failed | |
| 2311 | CAN communication with ECU failed | |
| 2312 | CAN communication with ECU failed | |
| 2315 | CAN communication with instruments failed | |
| 2316 | CAN communication with A/C failed | |
| P240C | The CAN signal for the selector lever position from control unit N15/5 |
These error codes may indicate that the gear selector lever is defective. In many cases, this is also revisable.
If in doubt, please contact our Customer Service.
Cannot be remanufactured
| OBDII | Description | |
| P1884 (2123) | PWM shift valve pressure | |
| P1886 | 1-4 / -3 downshift PWM valve pressure too low OR 2-5 pressure too high | |
| P1887 (2531) | 1-4 or 2-5 shift slide valve jamming in basic position Shift valve pressure to low | |
| P1888 | 1-4 or 2-5 shift slide valve jamming in basic position Shift valve pressure too high | |
| P1889 | 2-5-R downshift PWM valve pressure too low Transmission slipping | |
| P1893 | Pressure too high at regulating valve or solenoid valve 1 / 4 or 3 |
These error codes often indicate mechanical defects. Check the gearbox carefully for wear and/or damage!
0000334539
2050375
20055164
20150586
10500530060
5WK3 3045
5WK3 3046
5WK3 3049
5WK3 3051
5WK3 3053
5WK3 3059
5WK3 3062
5WK3 3063
5WK3 3066
5WK3 3067
5WK3 3069
5WK3 3070
5WK3 3082
5WK3 3086
5WK33040
5WK33050
5WK33052
5WK33056
5WK33058
5WK33060
5WK33061
5WK33064
5WK33065
5WK33068
5WK33085
5WK33087
5WK33088
5WK33089
5WP2 1901
5WP21902
A 019 545 82 32
A 024 545 45 32
A 024 545 46 32
A 024 545 49 32
A 024 545 50 32
A 024 545 51 32
A 024 545 52 32
A 024 545 53 32
A 027 545 98 32
A 027 545 99 32
A 028 545 02 32
A 028 545 03 32
A 028 545 04 32
A 028 545 05 32
A 028 545 06 32
A 028 545 07 32
A 028 545 08 32
A 028 545 10 32
A 028 545 11 32
A 028 545 12 32
A 028 545 13 32
A 028 545 14 32
A 028 545 15 32
A 033 545 00 32
A 033 545 01 32
A 033 545 02 32
A 033 545 03 32
A 033 545 04 32
A 168 545 15 32
A 168 545 16 32
VGS K01
0000324882
0000334539
2050375
20053897
20055164
20150586
10500530060
5WK3 3045
5WK3 3046
5WK3 3049
5WK3 3051
5WK3 3053
5WK3 3059
5WK3 3062
5WK3 3063
5WK3 3066
5WK3 3067
5WK3 3069
5WK3 3070
5WK3 3082
5WK3 3086
5WK33040
5WK33050
5WK33052
5WK33056
5WK33058
5WK33060
5WK33061
5WK33064
5WK33065
5WK33068
5WK33085
5WK33087
5WK33088
5WK33089
5WP2 1901
5WP21902
A 019 545 82 32
A 024 545 45 32
A 024 545 46 32
A 024 545 49 32
A 024 545 50 32
A 024 545 51 32
A 024 545 52 32
A 024 545 53 32
A 027 545 98 32
A 027 545 99 32
A 028 545 02 32
A 028 545 03 32
A 028 545 04 32
A 028 545 05 32
A 028 545 06 32
A 028 545 07 32
A 028 545 08 32
A 028 545 10 32
A 028 545 11 32
A 028 545 12 32
A 028 545 13 32
A 028 545 14 32
A 028 545 15 32
A 033 545 00 32
A 033 545 01 32
A 033 545 02 32
A 033 545 03 32
A 033 545 04 32
A 168 545 15 32
A 168 545 16 32
VGS K01
1. Log in or create an account
ACTRONICS works exclusively with car companies, brand dealers and specialists. You need an ACTRONICS account to place an order. Our customer service will assess whether your account is approved based on the information you have entered.
2. Find your part and create an order
Select your vehicle at the top of this page and choose the part number that you can read on the part. Can't read the OE number? Then select the option "OE number is not in the list" on this page. Can't find the part? Then request a quote.
3. Enter your diagnostic information and order details
When you register a revision order, we ask for more information about your diagnosis, such as your observations and/or an error code. This helps us to carry out the revision. After this, you choose your shipping and payment preference and start the order.
4. Packing & shipping
Make sure the part is securely packed so that it is not damaged during transport. Have you chosen our pick-up service? Then we will ensure that the part is picked up from you. This happens on working days (between 08:00 and 18:00) often within a few hours. Have you chosen to ship it yourself? Then bring the package to a parcel point near you. In both cases, you will receive instructions from our customer service.
5. We test the part
We test and inspect your part as soon as it arrives with us. Then we start the revision. Sometimes our test shows something different than the diagnostic information. In that case, we will contact you and share our findings and diagnosis. We only charge test costs for this and no revision costs.
6. We revise the part
Our specialists revise your part. You will receive updates so that you are always aware of the status of your order. If your part has successfully passed our final test, we will ship it to you. If necessary, we will provide additional workshop instructions and tips.