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884 fixes
Why does my DC fast charger run slower than its rated speed?
A DC fast charger delivers less than its rated speed when the vehicle's battery management system limits acceptance, the charger shares power…
See the fixWhy does my DC fast charger show 'communication error' and abort every session after 2 minutes?
A 'communication error' that aborts sessions after 2 minutes usually means the charger's PLC (power line communication) module can't handshake with the…
See the fixWhy does my DC fast charger show "communication error" and abort the session after 30 seconds?
A "communication error" that aborts a DC fast charge after ~30 seconds usually means the vehicle and charger lost the ISO 15118…
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Why does my DC fast charger show error code 102 and refuse to start a charging session?
Error code 102 on a DC fast charger typically means a communication fault between the charger and the vehicle or a ground‑monitor…
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Why does my DC fast charger show error code 104 and won't start a charging session?
Error code 104 on a DC fast charger typically means a communication failure between the charger and the vehicle's battery management system,…
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Why does my DC fast charger stop at 80% and show a communication error?
Your DC fast charger likely stops at 80% because the vehicle's battery management system limits charge rate to protect battery health, and…
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Why does my diesel truck keep going into limp mode with DEF/SCR system faults?
Your diesel truck enters limp mode because the DEF/SCR system detects a fault — usually bad DEF fluid, a clogged doser, failed…
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Why does my diesel truck lose power and blow black smoke when climbing hills?
Black smoke and power loss on hills usually mean your diesel engine is getting too much fuel or not enough air —…
See the fixWhy does my diesel truck's DEF consumption suddenly increase?
A sudden spike in DEF consumption usually means the SCR system is dosing more fluid to compensate for inefficient NOx conversion, often…
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Why does my diesel truck's DEF system keep throwing a P20EE code?
A P20EE code means your diesel truck's DEF system isn't converting NOx properly, usually because the DEF fluid is contaminated, the injector…
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Why does my diesel truck's DEF system keep throwing codes after refill?
Contaminated or stale diesel exhaust fluid (DEF) is the most common cause of recurring DEF system codes after a refill — even…
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Why does my diesel truck's DEF system keep throwing codes and going into derate?
A DEF system derate usually means the aftertreatment can't meet emissions targets — most often from a clogged DEF injector, bad NOx…
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