P1824
Internal Mode Switch 'P' Circuit Low Voltage
P1824 is an OBD-II diagnostic trouble code meaning: Internal Mode Switch 'P' Circuit Low Voltage. Common causes: open or short circuit in the mode switch circuit, malfunction of the internal mode switch. Estimated repair cost: $17–67.
Symptoms
- Car won't start in 'P' position
- Incorrect display of selector position on the instrument panel
- Gear shifting problems
- Check Engine Light Is On
- Activating the emergency transmission mode
Causes
- Open or short circuit in the mode switch circuit
- Malfunction of the internal mode switch
- Connector problems or contact corrosion
- Transmission control module (TCM) malfunction
- Poor circuit grounding
How to Fix
- Check the integrity of the wiring and connectors in the switch circuit
- Check the voltage at the mode switch
- Test the operation of the internal mode switch
- Check connections to transmission control unit
- If necessary, replace the mode switch or repair the wiring
Related codes
Error P1824 by Vehicle Brand
FAQ
What does the P1824 code mean?
P1824 is an OBD-II diagnostic trouble code that indicates: Internal Mode Switch 'P' Circuit Low Voltage
What causes a P1824 error code?
The most common causes of P1824 include: Open or short circuit in the mode switch circuit; Malfunction of the internal mode switch; Connector problems or contact corrosion; Transmission control module (TCM) malfunction.
How do I fix a P1824 diagnostic trouble code?
To fix P1824: Check the integrity of the wiring and connectors in the switch circuit. Check the voltage at the mode switch. Test the operation of the internal mode switch. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1824?
Limited driving only, diagnose soon
How much does it cost to fix P1824?
The estimated repair cost for P1824 is $17–67. Actual cost depends on your vehicle, location, and labor rates.
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