Pontiac G8 B1840 Engine Trouble Code

When your car's 'Pontiac G8 B1840 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.

Pontiac G8 B1840 Code Meaning :

When you check Pontiac G8 car engine light came on code B1840 the reason should be . However manufacturer may have a different definition for the B1840 OBD-II Diagnostic Body (B) Trouble Code. So you should chech it on our car models.

B1840 OBD-II Diagnostic Body (B) Trouble Code Description

B1840 engine trouble code is about Reverse Input Circuit.

Reason For B1840 Code

The reason of B1840 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

B1840 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.

B1839 Previous Engine Trouble Code For Pontiac G8

Next Engine Trouble Code For Pontiac G8 B1841