The most common causes of P0104 include: Sensor failure or signal out of range; Wiring harness damage or loose connection; Control module software issue; Vacuum leak or air intake restriction. A professional OBD-II scan tool is recommended for accurate diagnosis.

Recommended steps to address P0104: (1) Monitor the situation and service at your next scheduled visit (2) Check and replace the affected sensor if confirmed faulty (3) Inspect wiring and connectors for damage. Always consult a qualified EV technician for high-voltage system repairs.

Is it safe to drive with P0104?

P0104 is a caution-level code. It is generally safe to continue driving short distances, but have it inspected at your next scheduled service visit.

P0104

Caution

Mass or Volume Air Flow Circuit Intermittent

Severity

Caution

What does P0104 mean?

Fault code P0104 means "Mass or Volume Air Flow Circuit Intermittent". It is a standard OBD-II diagnostic trouble code (DTC) in the powertrain system, classified as "powertrain" with a severity level of "caution". This is a lower-severity code that should be monitored. Have it checked at your next regular service appointment. This code is defined by the SAE J2012 / ISO 15031-6 standard and applies to OBD-II compliant vehicles sold in the US, EU, and other global markets.

Possible Causes

Sensor failure or signal out of range
Wiring harness damage or loose connection
Control module software issue
Vacuum leak or air intake restriction

Recommended Actions

1 Monitor the situation and service at your next scheduled visit
2 Check and replace the affected sensor if confirmed faulty
3 Inspect wiring and connectors for damage