Volkswagen Caddy 4 P3990 Engine Trouble Code

When your car's 'Volkswagen Caddy 4 P3990 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off.

Volkswagen Caddy 4 P3990 Code Meaning :

When you check Volkswagen Caddy 4 car engine light came on code P3990 the reason should be . However manufacturer may have a different definition for the P3990 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P3990 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P3990 engine trouble code is about Reverse Input Circuit.

Reason For P3990 Code

The reason of P3990 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

P3990 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.

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