C1894 Engine Trouble Code
Meaning of C1894 engine trouble code is : 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 $200-$300 depending on the car, but that's usually the cost of parts because the labor is relatively simple.
C1894 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.
C1894 Code Meaning :
|OBD-II Diagnostic Chassis (C) Trouble Code For Engine||Fuel And Air Metering||Engine Oil Temperature Sensor Malfunction||Crankshaft Position Sensor A Circuit Malfunction||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.
C1894 OBD-II Diagnostic Chassis (C) Trouble Code DescriptionC1894 engine trouble code is about Timing Reference High Resolution Signal A Too Many Pulses.
Reason For C1894 CodeThe reason of C1894 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.
C1894 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.