Electrical Defects Under Maryland Lemon Law
Electrical system failures — battery drain, module failure, warning lights — under Maryland § 14-1502.
Electrical defects are increasingly common as vehicles become more software-dependent. Maryland’s Lemon Law (§ 14-1502) covers electrical nonconformities that substantially impair use, market value, or safety.
Common electrical failure modes
- Phantom battery drain — battery dies overnight from parasitic load.
- Body Control Module (BCM) failure.
- Powertrain Control Module (PCM) failure.
- Alternator failure — premature.
- Wiring harness chafing — recall-worthy.
- Headlight / DRL failures.
- Sensor failures — recurring DTCs without root cause.
- Multi-system warning lights.
Brand-specific patterns
- Tesla 12V battery — premature failure.
- Ford SYNC — module failures.
- Subaru EyeSight — sensor calibration drift.
- Stellantis UConnect — module reset.
- GM CUE / IntelliLink — touchscreen failure.
- Audi MMI / VW MIB — system lockup.
- BMW iDrive — module replacement cycles.
Why electrical defects qualify
- Cumulative attempts — diagnosing electrical issues often takes 4+ visits.
- Safety implications — many systems are safety-critical (ABS, airbag, traction control).
- Market value impairment — electrical issues plague resale value.
Maryland climate considerations
- Hot humid summers — connector corrosion, electronics overheating.
- Coastal salt — Eastern Shore / Chesapeake Bay vehicle connector corrosion.
- Cold winters — battery / alternator stress.
Bottom line
Electrical defects qualify under § 14-1502 when they substantially impair use, market value, or safety.
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Read →Think you've got a lemon?
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