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DTC codes / Chrysler codes / P1492

P1492 · ChryslerBattery Temperature Sensor Voltage Too High

P1492 on a Chrysler vehicle means the powertrain control module (PCM) has detected a battery temperature sensor signal voltage that is higher than the expected range for the current conditions. The PCM uses this sensor to protect the battery from overheating during charging, and a high voltage reading typically indicates an open circuit, a disconnected sensor, or a faulty sensor ground.

SystemPowertrain
Code typeChrysler specific
SeverityLow
Fix difficultyIntermediate
AreaAuxiliary emission controls

Guidance is general and written for Chrysler vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.

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