Sa 37 sys spn 523520 fmi 14 j1939. I would start diagnosing the 500k baud J1939 for issues. Troubleshooting might not be accurate for a Western Star but should point in the right One small issue like 523520 can cause a larger component to become damaged without taking the time to investigate. Replace faulty sensors as needed. DEF-Level Lampe / Sammelfehlerlampe (Wasser im Kraftstoff & Kraftstoffvordruck & Luftfilter verschmutzt) - Spannung unterhalb des Normalw. Freightliner Business Class M2. J1939 Fault Codes: Details Fault Code 14 indicates the TECU has detected an electrical fault in either the OEM-supplied wiring or Shift Control Device. Multifunction Turn Signal Switch Disagreement–Both wiper high and wiper low inputs are on. Clear codes after repairs but monitor if Found that troubleshooting in the New Cascadia manual. Diagnostic info for technicians. If you suspect your truck is suffering from one of these issues, look into replacing schine - EAT/SCR Inducement bzw. For SPN 523520 fault, inspect the water separator heater element and wiring harness for damage or corrosion. TECU monitors the voltage from Freightliner service bulletin detailing Bulkhead Module (BHM) fault codes for J1587/J1939 protocols. Headlamp Switch General Information: Provides essential instructions and notes on identifying and diagnosing fault codes using the Bulkhead Module. Unknown Keep Awake Fault–Modules are kept awake. SPN 523520 FMI 14. Thanks!. anyone knows about this code.
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