C3378 Morris Six 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.

At this point we are assuming that the fuses and relays are good. You will need to locate the PCM/TCM and the power input signal circuit using your vehicle information source. Unplug the connector from the PCM/TCM, place the ignition switch in the ON position, and probe the appropriate circuit with the positive test lead of the DVOM.

C3378 Morris Six Error Code Repair Process :

The rule of C3378 code when it comes to emissions-related vehicle repair is that any modification that changes the vehicle from a certified configuration to a non-certified configuration is considered tampering: this applies to both vehicle owners and repair facilities and is, therefore, a Federal offense. Replacing a catalyst with a straight pipe is one traditional example of mirror driver memory position error. Likewise, overriding the OBD C3378 error in system through the use of high-tech defeat devices or non-certified computer chips, for example, would also be considered tampering. The OBD system may, however, be repaired back to its original certified configuration with certified performance chips or appropriate aftermarket parts.

Common Causes of Morris Six 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
Damaged VCT phaser
EVAP system hose leaking
Faulty Crankshaft Position Sensor (POS)

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 Morris Six OBD Code

C3378 Morris Six Error Code Repair Process :

Common Causes of Morris Six C3378 OBD2 Code

C3378 code for other Morris cars