P1822
Internal Mode Switch Circuit 'B' Low
P1822 is an OBD-II diagnostic trouble code meaning: Internal Mode Switch Circuit 'B' Low. Common causes: malfunction of the internal mode switch, open or short circuit in switch circuit. Estimated repair cost: $17–89.
Symptoms
- Incorrect display of gear selector position
- Gear shifting problems
- Transmission of the gearbox into emergency mode
- Check Engine Light Illuminates
- Unexpected transmission behavior
Causes
- Malfunction of the internal mode switch
- Open or short circuit in switch circuit
- Poor contact in connectors
- Problems with the transmission control unit
- Contact corrosion
How to Fix
- Check the integrity of the mode switch circuit
- Inspect connectors and contacts for damage
- Check the functionality of the internal mode switch
- Scan the transmission control unit for errors
- If necessary, replace the switch or repair the wiring
Related codes
Error P1822 by Vehicle Brand
FAQ
What does the P1822 code mean?
P1822 is an OBD-II diagnostic trouble code that indicates: Internal Mode Switch Circuit 'B' Low
What causes a P1822 error code?
The most common causes of P1822 include: Malfunction of the internal mode switch; Open or short circuit in switch circuit; Poor contact in connectors; Problems with the transmission control unit.
How do I fix a P1822 diagnostic trouble code?
To fix P1822: Check the integrity of the mode switch circuit. Inspect connectors and contacts for damage. Check the functionality of the internal mode switch. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1822?
Limited driving only, diagnose soon
How much does it cost to fix P1822?
The estimated repair cost for P1822 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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