Infiniti G37 Problem Reports

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Vehicles with a 7 speed automatic transmission may experience a harsh downshift from 4th to 3rd gear on deceleration. Our technicians tell us revised control module software is available to correct this concern. On higher mileage vehicles other faults may cause transmission shifting issues. Whenever a transmission repair is performed, the control module should be checked for the latest software and updated if necessary.

The traction control/anti-lock brake system (ABS)/Slip warning light may illuminate with code C1142 stored, Our technicians suggest that if the brake light switch and brake pedal are operating correctly, the ABS control module and actuator may require replacement.

 

The GPS screen may intermittently "lock up" and the faulty can be corrected by turning off the ignition for several minutes. Our technicians tell us that updating the GPS software should correct this concern.

The Check Engine Light may illuminate due to an EVAP system charcoal canister purge control valve fault. Our technicians tell us that if the valve requires replacement, a revised part is available which should be installed.

The Check Engine Light may illuminate with code P0116 stored, signifying a fault in the coolant temperature sensor circuit. If no fault is found with the coolant sensor or it's circuit, our technicians suggest reprogramming the powertrain control module (PCM) with upgraded software.

On vehicles equipped with a "foot operated" parking brake, the "brake" warning light may stay illuminated even though the parking brake is fully released. Our technicians tell is a revised parking brake assembly is available to correct this concern.

A weak battery may result in illumination of the Check Engine Light with fault code P0603 stored.

A "tapping sound" may develop from the drivers side of the engine. The noise may be associated with the variable valve event and lift actuator. Our technicians tell us a software update for the powertrain control module (PCM) is available to correct this issue.

Vehicles equipped with an automatic transmission may exhibit an increase of engine RPM (of up to 500 RPM) when braking. Our technicians tell us upgraded powertrain control module (PCM) software is available which should correct this concern.