P1605 Nissan Code - Automatic Transmission Communication
Quick Answer
The malfunction information related to Automatic Transmission is transferred through the line circuit from the Transmission Control Module (TCM) to Engine Control Module (ECM). Common causes include Weak battery, Faulty Transmission Control Module (TCM), Harness is open or shorted between TCM and Engine Control Module (ECM). Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1605 Nissan indicates Automatic Transmission Communication.
- Common causes
- Common causes include Weak battery, Faulty Transmission Control Module (TCM), Harness is open or shorted between TCM and Engine Control Module (ECM).
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1605 Nissan Description
What are the Possible Causes of the DTC P1605 Nissan?
- Weak battery
- Faulty Transmission Control Module (TCM)
- Harness is open or shorted between TCM and Engine Control Module (ECM)
- Poor circuit electrical connection between TCM and ECM
How to Fix the DTC P1605 Nissan?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1605 Nissan code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P1605 Nissan Code
No Frequently Asked Questions about P1605 Nissan Code found.
Discuss the causes and fixes for P1605 Nissan OBDII Code
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It means that the Engine Control Module (ECM) is not communicating with the Automatic Transmission Control Module (TCM). Any driveability problems? if there no driveability problems, then you could just clear the code. If you can't clear the code, then you may have a problem with the TCM.
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Have this code on my 98 Pathfinder. It still drives but severely lagging from the start only have 1st and 2nd gear.. Is it my tcm or something more serious
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I have 2000 Nissan frontier with a p1605 code. It lags badly. Not sure what to do.
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The Engine Control Module (ECM) is not communicating with the Transmission Control Module (TCM). Unfortunately, diagnosing the problem could get a bit complicated and replacing the control unit is expensive. I recommend having a tech diagnose the problem.
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I have this code (P1605) in my Nissan X terra 2003, I do not know what to do, I think that maybe the problem is not the (ECM) maybe it can be realay the ECM, please I want opinion,
(code P1605 indicates the PCM detected an error in comunication with the transmision control module) -
I have a Nissan frontier 2000 code P1605 is blowing fuse A/T, l need help please..
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Try disconnecting the Transmission Control Module (TCM) , turn the ignition ON and check if still blowing the fuse. If the fuse is OK, then you may have to replace the TCM.
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Please am using Nissan Almera Tino and problem detector engine detected P1605- A/T Dig Com line & P1605 - NATS Malfunction, How do we resolve this?
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Any other symptoms besides the code? You could start by checking the battery
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