P1594 CHRYSLER - Charging System Voltage Too High
- Faulty Ambient/Battery temperature sensor
- Faulty Alternator
- Alternator harness is open or shorted
- Alternator electrical circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P1594 Chrysler DescriptionWhen the Powertrain Control Module (PCM) regulates the generator field and the there are no detected field problems but the voltage output does not decrease, the P594 code will set.
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