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MAN TGX 18.480 - EDC 03792-10, GDK / PDF 05502-08 Sensor Before cleaning or

Fast_international 33744 11
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  • #1 17859408
    Fast_international
    Level 12  
    Hello,

    So Man is throwing mistakes as above, check is burning.

    I read on the forum that it is an exhaust gas temperature sensor, and I know it. However, the question is which? because 2 two topics once someone writes that behind the catalyst, and once someone writes that before? In my opinion, before, because recently I had GDK / PDF 05002-12 and EDC 03821-03 in another Mana and after replacing the sensor with ZA, everything returned to normal.

    Regards
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  • #2 17859447
    mariusz.sensej
    Level 13  
    03792-10- temperature sensor after the catalyst
    05502-08- CAN communication error
    03821-03- CAN 3 control byte (exhaust gas temperature, adblue level, adblue temperature)
  • #3 17859477
    Fast_international
    Level 12  
    So, however, BEHIND the catalyst? why then there were other errors than I have now? that car 2011 and the one referred to in 2010? does the difference come from this?
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  • #4 17859568
    mariusz.sensej
    Level 13  
    I just don't know jaltest translates it strangely: /
    MAN TGX 18.480 - EDC 03792-10, GDK / PDF 05502-08 Sensor Before cleaning or

    And measure both with the use of the meter what I will show you
  • #5 17859719
    Fast_international
    Level 12  
    In October, I exchanged the one for the catalyst, so now I will replace the one before and that's it, we'll see tomorrow, let me know
  • #6 17859760
    mariusz.sensej
    Level 13  
    And the computer podinales? In the measured values it should come out which one is ...
  • #7 17860200
    dare23
    Level 19  
    Fast_international wrote:
    In October, I replaced the catalyst, so now I will replace the one before and that's it

    EDC 3792-10 means a break in the exhaust gas temperature sensor circuit AFTER the catalyst, so it makes no sense to replace the one before the catalyst. Just because you replaced it in October doesn't mean it's working now. Check sensor and sensor harness after catalytic converter
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  • #8 17860604
    MAN Electronics
    VIP Meritorious for electroda.pl
    Fast_international wrote:
    in another Mana I had GDK / PDF 05002-12 and EDC 03821-03 and after replacing the sensor ZA, everything returned to normal.
    That's right.

    However, as for the defect in the present one: EDC 3792-10 and GDK / PDF 05502-08 relate to the sensor BEFORE the catalyst.
  • #9 17860712
    dare23
    Level 19  
    Sorry, right, 3792-10 is for a sensor in front of the catalytic converter. My bad
  • #10 17865329
    Fast_international
    Level 12  
    Hello,

    I replaced the sensor in front of the catalyst. The error from EDC is immediately passive. First ride and everything is ok so that was the sensor BEFORE.

    Regards :)
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  • #11 21215612
    abwmhmdalnayf0
    Level 1  
    03792-10هل هاذي الكود يوثر على قوة السياره
  • #12 21218532
    kakibara
    Level 35  
    لا لا يؤثر. إذا كنت تقود سيارتك في المنزل في ميدليس، فلن يحدث شيء.

Topic summary

✨ The discussion revolves around the EDC 03792-10 error code related to the MAN TGX 18.480, specifically concerning the exhaust gas temperature sensor. Users debate whether the sensor in question is located before or after the catalytic converter. Initial responses suggest that EDC 03792-10 indicates a fault in the sensor circuit after the catalyst, while later clarifications confirm that it actually pertains to the sensor before the catalyst. A user reports successful resolution of the error after replacing the sensor located before the catalyst, indicating that the initial confusion was resolved through practical troubleshooting and sensor replacement.
Generated by the language model.

FAQ

TL;DR: Two codes—EDC 03792-10 and GDK/PDF 05502-08—flag the pre‑catalyst exhaust gas temperature sensor; "…relate to the sensor BEFORE the catalyst." For MAN TGX 18.480 owners and techs asking how to fix the light: verify with measured values, then repair wiring or replace the sensor. [Elektroda, MAN Electronics, post #17860604]

Why it matters: It targets the correct sensor fast, avoids parts roulette, and clears emissions warnings reliably.

Quick Facts

What does EDC 03792-10 mean on a MAN TGX 18.480?

It flags an issue with the exhaust gas temperature sensor located before the catalytic converter. Focus diagnosis on the pre‑cat EGT sensor. Verify with measured values before replacing parts to ensure accuracy. [Elektroda, MAN Electronics, post #17860604]

Where is the sensor for 03792-10 located—before or after the catalyst?

"3792-10 is for a sensor in front of the catalytic converter." Replace or test the pre‑catalyst EGT sensor, not the post‑cat one. This clarification avoids replacing the wrong component. [Elektroda, dare23, post #17860712]

What does GDK/PDF 05502-08 indicate on MAN TGX?

It indicates a CAN communication error. If it appears with 03792-10, still check the pre‑cat EGT sensor and related wiring after reading measured values. Repair communication or sensor faults based on data. [Elektroda, mariusz.sensej, post #17859447]

What is EDC 03821-03 about?

EDC 03821-03 points to CAN 3 control byte signals. It covers exhaust gas temperature, AdBlue level, and AdBlue temperature. Use a scan tool to inspect these channels and confirm which parameter is out of range. [Elektroda, mariusz.sensej, post #17859447]

How do I diagnose 03792-10 quickly without guessing?

Use a scan tool and measured values.
  1. Connect diagnostics (e.g., Jaltest) and open EGT channels.
  2. Identify the pre‑cat sensor value and compare with engine state.
  3. If implausible, check the sensor and harness with a multimeter, then repair or replace. "In the measured values it should come out which one is." [Elektroda, mariusz.sensej, post #17859760]

Should I clean or replace the EGT sensor for 03792-10?

In the reported case, replacing the pre‑cat sensor cleared the EDC fault. The code went passive immediately, and the first drive was fine. If measured values point to the sensor, replace it and road‑test to confirm. [Elektroda, Fast_international, post #17865329]

Will EDC 03792-10 reduce engine power?

A user reported no noticeable power loss with this code. You can usually drive, but schedule repair soon to maintain emissions system performance and avoid escalation. [Elektroda, kakibara, post #21218532]

Can Jaltest translations mislead sensor position for these codes?

Yes. One user noted Jaltest “translates it strangely,” which can confuse pre‑ vs post‑catalyst identification. Cross‑check with measured values and the truck’s physical sensor layout before replacing parts. [Elektroda, mariusz.sensej, post #17859568]

I already changed the after‑cat sensor; why is 03792-10 still present?

Because 03792-10 relates to the sensor before the catalyst on this platform. Direct your checks and any replacement to the pre‑cat EGT sensor and associated wiring. [Elektroda, MAN Electronics, post #17860604]

Which diagnostic tool should I use to see which sensor is bad?

Use a diagnostic computer and read measured values to pinpoint the faulty sensor channel. The display will indicate which sensor is out of range so you avoid unnecessary replacements. [Elektroda, mariusz.sensej, post #17859760]

What actually fixed it in the original thread?

One pre‑catalyst sensor replacement made the EDC fault passive immediately, and the first road test was fine. The poster confirmed, “everything is ok,” indicating a successful repair after a single sensor swap. [Elektroda, Fast_international, post #17865329]

What does “EDC fault passive” mean after replacing the sensor?

It means the ECU no longer sees the fault as active. In the reported case, the code turned passive right after the pre‑cat sensor change and remained fine on the first drive. Continue to monitor. [Elektroda, Fast_international, post #17865329]

Can a wiring fault mimic a bad EGT sensor on 03792-10?

Yes. An open or damaged circuit at the EGT sensor will log a temperature sensor fault. Inspect the sensor harness and connectors for breaks or corrosion before buying a new sensor. [Elektroda, dare23, post #17860200]

What temperatures should a pre‑cat EGT show on a diesel?

Typical diesel EGT before the catalyst is about 200–300°C at light load and can exceed 600°C under high load. Compare your measured values against expected operating conditions to judge plausibility. [Exhaust Gas Temperature Sensors – Function and Diagnostics]
Generated by the language model.
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