C3378 Alfa Romeo 2000 OBD Code

OBD/2 C3378 error code description and symptoms.

Output Shaft Speed sensor circuit intermittent failure The output shaft speed sensor signal to the PCM is irregular or interrupted.
Harness connector not properly seated Harness intermittently shorted, or open Harness connector damaged OSS sensor damaged, or not installed properly Verify harness and connector integrity Verify OSS sensor proper installation.

Circuit High Input codes like C3378 are mostly caused by defective alternators that develop excessive voltages, although there may be other causes as well, such as short circuits that 'leak' current into a particular system from other, unrelated systems that work on higher voltages. Note that in the case of short circuits that leak power into a control circuit, there is likely to be other, seemingly unrelated trouble codes present along with the code(s) being investigated. Diagnosing a 'high input' code will always involve a thorough testing of the charging system as a first step, followed by measures to isolate the system from all other possible sources of power during resistance, continuity, and reference voltage tests.

C3378 Alfa Romeo 2000 Error Code Repair Process :

The scent may C3378 signal oil or coolant leaking from their normally closed-loop systems, or it may indicate dangerous exhaust gases invading your car's interior. Car and truck exhaust contains toxic gases such C3378, so if the inside of your car mirror driver memory position error as if you were standing behind your car, get out and get it fixed. Fight the urge to take a little nap first. So sleepy. That's the carbon monoxide talking, friends. At least open a window on your way to the shop.

Common Causes of Alfa Romeo 2000 C3378 OBD2 Code

A common cause of code C3378 is the failure of Mirror Driver Memory Position Error, but there are several other possible causes as well, such as ;

Camshaft Position Sensor harness is open or shorted
Erratic camshaft position due to low oil pressure
Faulty oil control valve (OCV)
Faulty Camshaft Position Sensor

C3378 is a kind of Chassis Trouble Code

Diagnosing chassis noises can be one of the most frustrating problems technicians face. Fortunately, manufacturers have engineered noise, vibration and harshness (NVH) diagnostic techniques and equipment to find the source of the noise.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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C3378 Alfa Romeo 2000 OBD Code

C3378 Alfa Romeo 2000 Error Code Repair Process :

Common Causes of Alfa Romeo 2000 C3378 OBD2 Code

C3378 code for other Alfa cars