B1900 Driver side airbag fault
B1901 Air bag crash sensor #1 feed/return circuit short to ground
B1902 Air bag crash sensor #1 ground circuit failure
B1903 Air bag crash sensor #1 ground circuit short to battery
B1904 Air bag crash sensor #2 feed/return circuit failure
B1905 Air bag crash sensor #2 feed/return circuit short to battery
B1906 Air bag crash sensor #2 feed/return circuit short to ground
B1907 Air bag crash sensor #2 ground circuit failure
B1908 Air bag crash sensor #2 ground circuit short to battery
B1909 Air bag crash sensor #2 ground circuit short to ground
B1910 Air bag diagnostic monitor ground circuit failure
B1911 Air bag diagnostic monitor ground circuit short to battery
B1912 Air bag diagnostic monitor ground circuit short to gound
B1913 Air bag driver/passenger circuit short to ground
B1914 Air bag crash sensor #1 / #2 short circuit to ground
B1915 Air bag driver circuit failure
B1916 Air bag driver circuit short to battery
B1917 Air bag memory clear circuit failure
B1918 Air bag memory clear circuit open
B1919 Air bag memory clear circuit short to battery
B1920 Air bag passenger circuit failure
B1921 Air bag diagnostic monitor ground circuit open
B1922 Air bag safing sensor output circuit short to battery
B1923 Air bag memory clear circuit short to ground
B1924 Air bag internal diagnostic monitor fault or system disarm fault
B1925 Air bag passenger circuit short to battery
B1926 Air bag passenger pressure switch circuit failure
B1927 Passenger side aribag fault
B1928 Air bag safing sensor output circuit failure
B1929 Air bag safing sensor output circuit open
B1930 Air bag safing sensor output circuit short to ground
B1931 Air bag crash sensor #1 feed/return circuit failure
B1932 Air bag driver circuit open
B1933 Air bag passenger circuit open
B1934 Air bag driver inflator circuit resistance low on squib
B1935 Air bag passenger inflator circuit resistance low on squib
B1936 Air bag driver circuit short to ground
B1937 Air bag passenger pressure switch circuit open
B1938 Air bag passenger circuit short to ground
B1939 Air bag passenger pressure switch circuit short to ground
B1941 Air bag crash sensor #1 feed/return circuit open
B1942 Air bag crash sensor #2 feed/return circuit open
B1943 Air bag crash sensor #1 ground circuit short to ground
B1944 Air bag crash sensor #1 ground circuit open
B1945 Air bag crash sensor #2 ground circuit open
B1946 Climate control A/C post evaporator sensor circuit failure
B1947 Climate control A/C post evaporator sensor circuit short to ground
B1948 Climate control water temperature sensor circuit failure
B1949 Climate control water temperature sensor circuit short to ground
B1950 Rear seat up/down potentiometer feedback circuit failure
B1951 Rear seat up/down potentiometer feedback circuit open
B1952 Rear seat up/down potentiometer feedback circuit short to battery
B1953 Rear seat up/down potentiometer feedback circuit short to ground
B1954 Rear seat up/down potentiometer feedback circuit failure
B1955 Rear seat up/down potentiometer feedback circuit open
B1956 Rear seat up/down potentiometer feedback circuit short to battery
B1957 Rear seat up/down potentiometer feedback circuit short to ground
B1958 Seat recline forward/backward potentiometer feedback circuit failure
B1959 Seat recline forward/backward potentiometer feedback circuit open
B1960 Seat recline forward/backward potentiometer feedback circuit short to battery
B1961 Seat recline forward/backward potentiometer feedback circuit short to ground
B1962 Seat horizontal forward/rearward potentiometer feedback circuit failure
B1963 Seat horizontal forward/rearward potentiometer feedback circuit open
B1964 Seat horizontal forward/rearward potentiometer feedback circuit short to battery
B1965 Seat horizontal forward/rearward potentiometer feedback circuit short to ground
B1966 A/C post heater sensor circuit failure
B1967 A/C post heater sensor circuit short to ground
B1968 A/C water pump detection circuit failure
B1969 A/C clutch magnetic control circuit failure
B1970 Passenger seatback forward switch circuit short to ground
B1971 Passenger seatback rearward switch circuit short to ground
B1972 Passenger rear seat up switch circuit short to battery
B1973 Passenger rear seat down switch circuit short to battery
B1974 Passenger seat recline forward switch circuit short to battery
B1975 Passenger seat recline back switch circuit short to battery
B1976 Passenger seat forward switch circuit short to battery
B1977 Passenger front seat up switch circuit short to battery
B1978 Passenger front seat down switch circuit short to battery
B1979 Passenger front seat rearward switch circuit short to battery
B1980 Bulb – outage condition detected
B1981 Memory off switch circuit short to battery
B1982 Driver door unlock relay circuit failure
B1983 Driver door unlock relay circuit short to battery
B1984 Seat switch lumbar inflate circuit failure
B1985 Seat switch lumbar deflate circuit failure
B1986 Driver seat seatback autoglide rearward switch circuit failure
B1988 Pedal position forward switch circuit short to battery
B1989 Pedal position rearward switch circuit short to battery
B1990 Pedal forward/rearward potentiometer feedback circuit failure
B1991 Pedal forward/rearward potentiometer feedback circuit short to battery
B1992 Driver side, side mount airbag circuit short to vbatt
B1993 Driver side, side mount airbag circuit short to ground
B1994 Driver side, side mount airbag circuit open
B1995 Driver side, side mount airbag low resistance on squib
B1996 Passenger side, side mount airbag circuit short to vbatt
B1997 Passenger side, side mount airbag circuit short to ground
B1998 Passenger side, side mount airbag circuit open
B1999 Passenger side, side mount airbag low resistance on squib

C0000 – Vehicle Speed Information Circuit Malfunction
C0035 – Left Front Wheel Speed Circuit Malfunction
C0040 – Right Front Wheel Speed Circuit Malfunction
C0041 – Right Front Wheel Circuit Range/Performance (EBCM)
C0045 – Left Rear Wheel Speed Circuit Malfunction
C0046 – Left Rear Wheel Speed Sensor Circuit Range/Performance (EBCM)
C0050 – Right Rear Wheel Speed Circuit Malfunction
C0051 – LF Wheel Speed Sensor Circuit Range/Performance (EBCM)
C0060 – Left Front ABS Solenoid #1 Circuit Malfunction
C0065 – Left Front ABS Solenoid #2 Circuit Malfunction
C0070 – Right Front ABS Solenoid #1 Circuit Malfunction
C0075 – Right Front ABS Solenoid #2 Circuit Malfunction
C0080 – Left Rear ABS Solenoid #1 Circuit Malfunction
C0085 – Left Rear ABS Solenoid #2 Circuit Malfunction
C0090 – Right Rear ABS Solenoid #1 Circuit Malfunction
C0095 – Right Rear ABS Solenoid #2 Circuit Malfunction
C0110 – Pump Motor Circuit Malfunction
C0121 – Valve Relay Circuit Malfunction
C0128 – Low Brake Fluid Circuit Low
C0141 – Left TCS Solenoid #1 Circuit Malfunction
C0146 – Left TCS Solenoid #2 Circuit Malfunction
C0151 – Right TCS Solenoid #1 Circuit Malfunction
C0156 – Right TCS Solenoid #2 Circuit Malfunction
C0161 – ABS/TCS Brake Switch Circuit Malfunction
C0221 – Right Front Wheel Speed Sensor Circuit Open
C0222 – Right Front Wheel Speed Signal Missing
C0223 – Right Front Wheel Speed Signal Erratic
C0225 – Left Front Wheel Speed Sensor Circuit Open
C0226 – Left Front Wheel Speed Signal Missing
C0227 – Left Front Wheel Speed Signal Erratic
C0229 – Drop Out of Front Wheel Speed Signals
C0235 – Rear Wheel Speed Signal Circuit Open
C0236 – Rear Wheel Speed Signal Circuit Missing
C0237 – Rear Wheel Speed Signal Erratic
C0238 – Wheel Speed Mismatch
C0241 – EBCM Control Valve Circuit
C0245 – Wheel Speed Sensor Frequency Error
C0254 – EBCM Control Valve Circuit
C0265 – EBCM Relay Circuit
C0266 – EBCM Relay Circuit
C0267 – Pump Motor Circuit Open/Shorted
C0268 – Pump Motor Circuit Open/Shorted
C0269 – Excessive Dump/Isolation Time
C0271 – EBCM Malfunction
C0272 – EBCM Malfunction
C0273 – EBCM Malfunction
C0274 – Excessive Dump/Isolation Time
C0279 – Powertrain Configuration Not Valid
C0281 – Brake Switch Circuit
C0283 – Traction Switch Shorted to Ground
C0284 – EBCM Malfunction
C0286 – ABS Indicator Lamp Circuit Shorted to B+
C0287 – Delivered Torque Circuit
C0288 – Brake Warning Lamp Circuit Shorted to B+
C0290 – Lost Communications With PCM
C0292 – Lost Communications With PCM
C0291 – Lost Communications With BCM
C0297 – Powertrain Configuration Data Not Received
C0298 – Powertrain Indicated Traction Control Malfunction
C0300 – Rear Speed Sensor Malfunction
C0305 – Front Speed Sensor Malfunction
C0306 – Motor A or B Circuit
C0308 – Motor A/B Circuit Low
C0309 – Motor A/B Circuit High
C0310 – Motor A/B Circuit Open
C0315 – Motor Ground Circuit Open
C0321 – Transfer Case Lock Circuit
C0323 – T-Case Lock Circuit Low
C0324 – T-Case Lock Circuit High
C0327 – Encoder Circuit Malfunction
C0357 – Park Switch Circuit High
C0359 – Four Wheel Drive Low Range (4LO) Discrete Output Circuit
C0362 – 4LO Discrete Output Circuit High
C0367 – Front Axle Control Circuit High
C0374 – General System Malfunction
C0376 – Front/Rear Shaft Speed Mismatch
C0379 – Front Axle System
C0387 – Unable to Perform Shift
C0472 – Steering Handwheel Speed Sensor Signal V Low
C0473 – Steering Handwheel Speed Sensor Signal V High
C0495 – EVO Tracking Error
C0498 – Steering Assist Control Actuator Feed Circuit Low
C0499 – Steering Assist Control Solenoid Feed Circuit High
C0503 – Steering Assist Control Solenoid Return Circuit Low
C0504 – Steering Assist Control Solenoid Return Circuit High
C0550 – ECU Malfunction – internal write / checksum malfunction
C0559 – EEPROM Checksum Error
C0563 – Calibration ROM Checksum Error
C0577 – Left Front Solenoid Circuit Low
C0578 – Left Front Solenoid Circuit High
C0579 – Left Front Solenoid Circuit Open
C0582 – Right Front Solenoid Circuit Low
C0583 – Right Front Solenoid Circuit High
C0584 – Right Front Solenoid Circuit Open
C0587 – Left Rear Solenoid Circuit Low
C0588 – Left Rear Solenoid Circuit High
C0589 – Left Rear Solenoid Circuit Open
C0592 – Right Rear Solenoid Circuit Low
C0593 – Right Rear Solenoid Circuit High
C0594 – Right Rear Solenoid Circuit Open
C0611 – VIN Information Error
C0615 – Left Front Position Sensor Malfunction
C0620 – Right Front Position Sensor Malfunction
C0625 – Left Rear Position Sensor Malfunction
C0628 – Level Control Position Sensor Circuit High
C0630 – Right Rear Position Sensor Malfunction
C0635 – Left Front Normal Force Circuit Malfunction
C0638 – Left Front Normal Force Circuit High
C0640 – Right Front Normal Force Circuit Malfunction
C0643 – Right Front Normal Force Circuit High
C0655 – Level Control Compressor Relay Malfunction
C0657 – Level Control Compressor Circuit Low
C0658 – Level Control Compressor Circuit High
C0660 – Level Control Exhaust Valve Circuit Malfunction
C0662 – Level Control Exhaust Valve Circuit Low
C0663 – Level Control Exhaust Valve Circuit High
C0665 – Chassis Pitch Signal Circuit
C0690 – Damper Control Relay Circuit Malfunction
C0691 – Damper Control Relay Circuit Range
C0693 – Damper Control Relay Circuit High
C0695 – Position Sensor Overcurrent (8 volt supply)
C0696 – Position Sensor Overcurrent (5 volt supply)
C0710 – Steering Position Signal Malfunction
C0750 – Tire Pressure Monitor (TPM) system sensor not transmitting
C0755 – Tire Pressure Monitor (TPM) system sensor not transmitting
C0760 – Tire Pressure Monitor (TPM) system sensor not transmitting
C0765 – Tire Pressure Monitor (TPM) system sensor not transmitting
C0800 – Device Power #1 Circuit Malfunction
C0896 – Electronic Suspension Control (ESC) voltage is outside the normal range of 9 to 15.5 volts

Mass Air Flow (MAF) Circuit Low Input

Description:

How does a P0102 code trigger the check engine light? The engine light will come on if the following concern is present:

The Mass Air Flow Sensor circuit is monitored by the powertrain control module (computer), for low voltage (which translates to low air flow) through the Comprehensive Component Monitor (CCM). With the key on and engine running, if the voltage drops below a minimum value this code will be set, causing the check engine light to illuminate.

Possible Causes:

MAF Sensor disconnected
MAF Sensor circuit open to computer
Vehicle Power circuit open to MAF Sensor
Power Ground circuit open to MAF Sensor
MAF Sensor Return circuit open to PCM
MAF Sensor circuit shorted to Ground
Intake air leak near MAF Sensor
Damaged MAF Sensor
Damaged computer

Diagnostic Help:

Refer to an appropriate manual for specification. If MAF Sensor voltage reading is below minimum limit with key on engine running then concern is a hard fault (present now). If all values are in spec proceed with intermittent diagnosis (refer to our “Intermittent Diagnosis Help” article through the “articles” link on the Navigation Bar). You may also use the “Get Help” link if you need specifications or have any other related questions.

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