OBD-II Trouble Code Description for P0622 Dodge

Generator Field/F Terminal Circuit

What does this mean?

OBD2 Code P0622 Dodge definition:
The PCM monitors generator load from the generator/regulator in the form of frequency. The frequency range is determined by the temperature of the voltage regulator, where 97% indicates full load, and below 6% indicates no load.

Symptoms

Possible sumptoms of OBD code P0622 Dodge
– Engine Light ON (or Service Engine Soon Warning Light) – No start

Causes

Possible causes of OBD code P0622 Dodge
– Generator circuit short to ground. – Generator circuit short to voltage. – Generator circuit open. – Battery-sense circuit open. – Generator drive mechanism. (belt) – Damaged generator/regulator assembly. – Damaged PCM.

Possible Solutions

– Battery – Alternator