✅ Fixed
Alternator output tested — only 12.8V with engine running. Should be 13.8-14.7V. Alternator replaced $180 exchange unit. Charging system working correctly at 14.2V.
RAM 3500 2022 Alternator warning light battery not charging
2022
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🔍 Symptoms
⚙️ Causes
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⚡ Quick Summary
Severity Level
High
Safe to Drive?
⚠️ Drive with Caution
Safety Impact
Can become a safety issue if left unresolved
Urgency Level
🟠 Fix Soon
RAM 3500 2022 battery warning light on. Electrical accessories dimming. Car stalled on highway. 90811 km. This fault code is stored when the engine control unit detects a specific fault condition. Common causes include sensor failures, wiring faults, and component wear. Always read additional fault codes before replacing parts — multiple codes together provide a clearer diagnosis. Clear the code after repair and test drive to confirm the fault does not return.
🔍 Symptoms
📍 Alternator warning light — battery not charging
📍 RAM 3500
⚙️ Possible Causes
Alternator warning light — battery not charging
RAM 3500
Possible: Alternator output tested — only 12.8V with engine running. Should be 13.8-14.7V. Alternator replaced $180 exchange unit. Charging system working correctly at 14.2V.
Repair / Solution
Based on 97 driver confirmations
⚠️ Wrong Diagnosis?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this 2022 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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