CAR OBD CODES

P0622 OBD Code Definition:
P0622 Generator Field Not Switching
P0622 OBD Code Description:

OBD2 Code P0622 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 P0622
– Engine Light ON (or Service Engine Soon Warning Light) – No start Possible Causes

Possible causes of P0622
– 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
Note: The information on the P0622 error code is purely informative, if you need more useful information, please consult your technician.