Showing an fault code on my Iveco Stralis code is ECM 8A when this happens power is severely hampered

Gearbox Fault. Call the mechanic.

https://www.google.com/search?q=Iveco+Stralis+450+has+been+getting+ETC+9B

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The ETC fault 9A on your Iveco Stralis EEV relates to the Electronic Transmission Control system. It indicates that there is a fault in the communication between the engine control module (ECM) and the transmission control module (TCM).
Based on the information you have provided, it seems that you have already taken several steps to rectify the issue. However, the problem still persists. It is possible that the relay to the transmission may be faulty and causing the issue. You may want to consider checking or replacing the relay.
Another possible cause of the ETC fault 9A is a faulty wiring harness or connector between the ECM and TCM. You may want to check the wiring and connectors for any signs of damage or corrosion and repair or replace as necessary.
It is also recommended to have the truck scanned with a diagnostic tool to identify any error codes and to perform a thorough diagnosis of the transmission and related systems. A certified mechanic or dealership service center should be able to assist you in this matter.
Overall, it is important to ensure that all components related to the transmission and electronic control systems are thoroughly checked and tested to identify and rectify the underlying issue causing the ETC fault 9A.

Question edited for clarity - correct name of truck!

Iveco Stralis Fault Codes List ' Truckmanualshub.com

https://truckmanualshub.com > iveco-stralis-fault-codes-...
May 10, 2018 - Iveco Stralis Fault Codes List, diagnostic trouble codes, DTCs, ... 0159 Circuit Malfunction of the fuel pump (high pressure pump)

IVECO Fault Codes DTC - TRUCK Manuals

https://www.truck-manuals.net > iveco-fault-codes
IVECO Truck Fault Codes DTC list. 0111 Malfunction of the vehicle speed sensor circuit. 0112 Sensor Circuit Malfunction 1 pedal acceleration.

Iveco Truck Fault Codes List download

https://www.truck-servicepdf.com > iveco > iveco-fault-...
Iveco Trakker Euro 4-5 Fault Codes List. ... 159 Malfunction of the high-pressure fuel pump circuit. ... 016E The minimum required number of injections is not met.

TRUCK IVECO STRALIS HI-WAY AS EURO 6 [2013-2016 ...

https://www.jaltest.com > coverage > stralis-hi-way-as-e...
Manual diagnostics process of the system through display codes, blinking codes... Allows to read the ECU failure memory by providing the user information about ...

Are you sure it isn't 145?

All the DTC codes are here

https://www.truck-manuals.net/iveco-fault-codes/

https://www.google.com/search?q=Iveco+Stralis+fault+code+ECM+45

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Got to the dealership or a garage

How know the problem for iveco e5 stralis 450
ECM warning A8

where the ffc fus e..truck iveco stralis 450 please help where the stay.

our iveco stralis truck get etc 2f / etc 30 / etc38 so how can solve the proplems