C1221 Trouble Code

View C1221 obd/2 error code description and symptoms. C1221 engine photo

Brake Switch Circuit Input Malfunction Indicates PCM did not receive a brake pedal position (BPP) input. Open or short in BPP circuit Open or short in stoplamp circuits Damaged PCM Malfunction in module(s) connected to BPP circuit. (Rear Electronic Module [REM] Windstar and LS6/LS8 or Lighting Control Module (LCM) Continental and Town Car. Damaged brake switch Misadjusted brake switch Check for proper function of stoplamps.

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.

C1221 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine C1221 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 c1221 lamp abs warning output circuit short to ground 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 c1221 lamp abs warning output circuit short to ground.

C1221 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 C1221

A common cause of code C1221 is the failure of C1221 Lamp ABS Warning Output Circuit Short To Ground, but there are several other possible causes as well, such as ;

Failures of clutch motion/travel sensors.
Faulty front heated oxygen sensor
Fuel injectors harness is open or shorted
Camshaft Position Sensor harness is open or shorted

C1221 code for all cars

You can view according C1221 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+C1221 Austin A99

+C1221 Pininfarina Blmc

+C1221 Ford Vendome

+C1221 Talbot Horizon

+C1221 Nissan 200

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