P1880
WarningTransmission Automatic Hall Effect Sensor Power Circuit Short To Battery / 4WD Low Switch Circuit Electrical
Is it safe to drive?
🟡 Check the vehicle display for drive or charge restrictions and schedule service promptly.
What does P1880 mean?
P-code P1880 means "Transmission Automatic Hall Effect Sensor Power Circuit Short To Battery / 4WD Low Switch Circuit Electrical". It is a manufacturer-specific diagnostic trouble code (DTC) in the battery system. The circuit has a short to battery voltage, meaning an unintended connection to the positive supply rail exists in the transmission automatic hall effect sensor power circuit short to battery / 4wd low switch circuit electrical wiring. This warning should be addressed within the next few days to avoid further damage. This code applies to OBD-II compliant electric and hybrid vehicles.
Possible Causes
- Chafed or pinched wire making contact with a positive voltage supply
- Water or moisture intrusion into the connector causing a voltage leak
- Faulty module or sensor internally shorted to battery
- Incorrectly installed aftermarket accessory creating a voltage path
Recommended Actions
- 1 Avoid aggressive driving and schedule a diagnostic appointment within the next 1–3 days
- 2 Scan for all DTCs with an OBD-II scanner — note any related codes stored alongside P1880
- 3 Inspect wiring harness for chafed insulation, pinched wires, or contact with metal surfaces
- 4 Measure voltage/resistance at the connector with the harness disconnected to locate the short
- 5 Clear the DTC, road-test the vehicle, and re-scan to confirm whether the fault returns
- 6 If the fault persists after inspection and clearing, consult an EV-certified technician for component replacement