C12B4 Engine Trouble Code
Meaning of C12B4 engine trouble code is a kind of chassis trouble code and theoretically you can drive for a few weeks or even months with a broken MAF sensor. You will notice a decrease in gas mileage and over time the car will eventually start stalling a lot. At a shop, the replacement cost is between $240-$400 depending on the car, but that's usually the cost of parts because the labor is relatively simple.
C12B4 Fault Symptoms :
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If one of these reasons for C12B4 code is occuring now you should check C12B4 repair processes.
Now don't ask yourself; What should you do with C12B4 code ? The solution is here : |
C12B4 Possible Solution:
Power Steering Pressure (PSP) Switch Malfunction In Key On, Engine Off Self-Test, this DTC indicates the PSP input to the PCM is high. In Key On, Engine Running Self-Test, this DTC indicates that the PSP input did not change state. Steering wheel must be turned during Key On, Engine Running Self-Test PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged. |
C12B4 Code Meaning :
C | 1 | 2 | b | 4 |
---|---|---|---|---|
OBD-II Diagnostic Chassis (C) Trouble Code For Engine | Fuel And Air Metering | Manifold Absolute Pressure/Barometric Pressure Circuit High Input | Timing Reference High Resolution Signal A Too Many Pulses |
The poor running symptoms are consistent with a MAP sensor malfunction. In addition, in some cases, a bad MAP sensor will not throw a code. Again, the ELD code likely represents a separate wiring issue.
C12B4 OBD-II Diagnostic Chassis (C) Trouble Code DescriptionC12B4 engine trouble code is about Timing Reference High Resolution Signal A Too Many Pulses.Main reason For C12B4 CodeThe reason of C12B4 OBD-II Engine Trouble Code is Manifold Absolute Pressure/Barometric Pressure Circuit High Input. |
C12B4 DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set.