Scania EMD DTC 8429 Exhaust gas temperature sensor upstream of catalytic converter T113

EMD EMD control unit · Scania · 2 variants

Code 8429 (decimal). Some diagnostic tools show it in hexadecimal as 20ED.

In short

The exhaust gas temperature upstream of the catalytic converter is higher than the limit value.

Variant 1

Applies to: EMD0

What does Scania EMD fault code 8429 mean?

What causes Scania DTC 8429?

How does the system react?

How to fix Scania EMD fault code 8429?

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Variant 2: Exhaust gas temperature sensor upstream of catalytic converter, sensitivity too high

Applies to: EMD1

This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.

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