Espar / Eberspacher Airtronic 2 (S2 D2L / M2 D4L) error code P000102
Overheating / air outlet sensor - Short circuit to battery (+) (legacy 073)
What to check, and in what order, is in the app. The flow Diesel Air Heater — Overheat Shutdown walks this code step by step with the pass/fail measurements, wiring schematics and procedures that go with it, and it works offline in the bay.
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- Eberspacher/Espar Airtronic 2 (S2 D2L / M2 D4L) fault-code manualEberspacher
- Eberspaecher Airtronic 2 Repair Instructions - S2 D2L Fault Codes and Diagnosis, doc 25.2720.95.2682.0D EN (02.2020)
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