Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
P0102MAF sensor circuit shorted to ground
P0102MAF sensor circuit shorted to ground
P0102MASS AIRFLOW SENSOR
Manufacturer communications
21Original wording in English
CHEVROLET, GMC
This Preliminary information communicates the possibility of MIL with DTC set of U060F, U1346, and/or P0102.
CADILLAC, CHEVROLET, GMC
This technical bulletin provides a procedure to correct the condition of Malfunction Indicator Lamp Illuminated with Active DTC P0102 and Possibly U060F and U1346 at the Mass Air Flow Sensor.
CADILLAC, CHEVROLET, GMC
This technical bulletin provides a procedure to correct the condition of Malfunction Indicator Lamp Illuminated with Active DTC P0102 and Possibly U060F and U1346 at the Mass Air Flow Sensor.
RAM
Engine Control Module (ECM) Capacitor Leak Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? P0642 - Sensor Reference Voltage 1 Circuit Low. ? P0652 - Sensor Reference …
Check vehicle applicability
199A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Code meaning and manufacturer information
Original wording in English · Historical directory labels; manufacturer applicability has not been established for every entry.
Mass or Volume Air Flow Circuit low Input
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.