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P1602 Engine Error Code

When you check engine light came on code P1602 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However your vehicle's manufacturer may have a different definition for the P1602 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on your car models.

Reason For P1602

P1602 OBD 2 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.

P1602 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1602 Immobilizer/ECM Communication Er so you have to check ODB-II Engine Error Code list.

P1602 Code Review :

The reason of P1602 OBD-II Engine Error Code is P1602 Immobilizer/ECM Communication Er.

How To Recognise P1602

Code error is the part on your vehicle that keeps all electrical systems running once the car starts. It's also responsible for supplying a charge to your battery to keep it in peak condition. When an alternator breaks, it will eventually cause the battery to wear out prematurely and other starting issues. Check your recommended service intervals and replace the alternator before it breaks to avoid this hassle.