C3972 Trouble Code

View C3972 obd/2 error code description and symptoms. C3972 engine photo

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.

In most cases, the TCM is integrated into a single housing with the PCM. Nevertheless, the section of the module which controls (automatic) transmission function may be powered up separately. In any case, the TCM is typically powered using switched (only present with the ignition switch in the ON, start, or run position) voltage. This circuit is normally equipped with a fuse, fusible link, and/or a relay. Frequently, the PCM and TCM are powered using the same relay albeit by separate circuits. Access to a reliable vehicle information source will yield necessary details of the TCM power circuit for the specific vehicle in question.

C3972 Error Code Repair Process :

The scent may C3972 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 C3972, so if the inside of your car air suspension disable switch circuit short to battery 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.

C3972 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.

Common Causes of C3972

A common cause of code C3972 is the failure of Air Suspension Disable Switch Circuit Short To Battery, but there are several other possible causes as well, such as ;

Camshaft Position Sensor harness is open or shorted
Faulty ignition coil (s)
Camshaft advance mechanism binding (VCT unit)
Engine Control Module (ECM)

C3972 code for all cars

You can view according C3972 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+C3972 Dodge Sidewinder

+C3972 Kia Retona

+C3972 Fiat 508

+C3972 Volkswagen Crafter

+C3972 Marcos 1500

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

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