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< title > Hybrid Battery Fault Reference • Adam Pollard< / title >
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< fort-nav > < nav class = "fort-nav" data-fort = "nav" > < a href = "/" > Adam Pollard< / a > < a href = "/films/diagnostic-logic/" > Index< / a > < a href = "/hybrid-fault-reference.html" class = "active" aria-current = "page" > Hybrid Battery Fault Reference • Adam Pollard< / a > < a href = "/hybrid-diagnostic-tool.html" > Hybrid Diagnostic Tool< / a > < a href = "/soh.html" > Reading Battery State-of-Health< / a > < / nav > < / fort-nav >
2026-08-18 12:52:18 +02:00
< h1 > Hybrid Battery Fault Reference< / h1 >
< p > Common codes and root causes on 2015– < / p >
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< tr > < th > Code< / th > < th > Symptom< / th > < th > Typical Cause< / th > < th > Fix Sequence< / th > < / tr >
< tr > < td > P0A80< / td > < td > Battery module deterioration< / td > < td > Cell imbalance >0.2 V< / td > < td > Balance charge, re-test pack< / td > < / tr >
< tr > < td > P0A7F< / td > < td > Hybrid battery pre-charge fault< / td > < td > Relay or contactor weld< / td > < td > Inspect HVIL, replace SMRs< / td > < / tr >
< tr > < td > P0AA6< / td > < td > HVIL open circuit< / td > < td > Interlock switch or harness< / td > < td > Continuity check, reseat connectors< / td > < / tr >
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< p class = "source" > Data grounded via Wikidata hybrid-electric-vehicle Q11083590. Mechanics do the same discipline the Apollo computer did: shed the noise, keep the landing.< / p >
< p > < a href = "https://4ort.xyz/entity/hybrid-electric-vehicle" > Wikidata source< / a > < / p >
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