C121F Caterham Superlight OBD Code

OBD/2 C121F error code description and symptoms.

The Transmission Fluid Pressure Switch allows the engine's control module (PCM) or Transmission Control Module (TCM) to use hydraulic fluid to engage the clutches in the transmission to allow for smoother shifting while driving. If the PCM or TCM detects an issue with the hydraulic clutch or the pressure switch, the PCM or TCM will set code C121F

To check for an open circuit, trace along the length of the transmission control circuit, checking for breaks in the wiring. Repair any broken wiring and make sure all connectors are fully seated and locked.Pay close attention to connectors, looking for corrosion, bent or broken pins, or moisture in the connector. Repair any connector issues even if they are not specifically part of the transmission control circuit as they may serve a function in providing power to the transmission control circuit.

C121F Caterham Superlight Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine C121F light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the .

Difficulty Level (Soso)

Repair Time (50 Min.)

Cost Prediction : $ 30-110

Common Causes of Caterham Superlight C121F OBD2 Code

A common cause of code C121F is the failure of , but there are several other possible causes as well, such as ;

• Continuous oil flow to the VCT piston chamber
• EVAP canister or fuel tank leaks
• Faulty oil control valve (OCV)
• Faulty TCM or TCM programming

C121F 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.

C121F code for other Caterham cars

You can view according C121F DTC for your car model. We selected several models to see obd2 solutions click and view it.

• C121F Caterham 120 Superlight
• C121F Caterham 1700
• C121F Caterham 21
• C121F Caterham 275s-sv
• C121F Caterham 485r
• C121F Caterham 7
• C121F Caterham Beaulieu
• C121F Caterham C
• C121F Caterham R300
• C121F Caterham Roadsport
• C121F Caterham Seven
• C121F Caterham Seven S3
• C121F Caterham Super
• C121F Caterham Super 7
• C121F Caterham Superseven
• C121F Caterham Vx

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