P1846
Automatic Transmission Fluid Pressure Switch 6
P1846 is an OBD-II diagnostic trouble code meaning: Automatic Transmission Fluid Pressure Switch 6. Common causes: transmission fluid pressure sensor malfunction, problems with sensor wiring or connectors. Estimated repair cost: $28–89.
Symptoms
- Incorrect gear shifting
- Jerky gear shifting
- Activation of automatic transmission emergency mode
- Increased speed when switching
- Check engine light comes on
Causes
- Transmission fluid pressure sensor malfunction
- Problems with sensor wiring or connectors
- Low transmission fluid level
- Contaminated transmission fluid
- Transmission control module (TCM) malfunction
How to Fix
- Check the level and condition of the transmission fluid
- Inspect the sensor wiring and connectors for damage
- Check sensor resistance and reference voltage
- If necessary, replace the pressure sensor
- Check the operation of the transmission control module
Related codes
Error P1846 by Vehicle Brand
FAQ
What does the P1846 code mean?
P1846 is an OBD-II diagnostic trouble code that indicates: Automatic Transmission Fluid Pressure Switch 6
What causes a P1846 error code?
The most common causes of P1846 include: Transmission fluid pressure sensor malfunction; Problems with sensor wiring or connectors; Low transmission fluid level; Contaminated transmission fluid.
How do I fix a P1846 diagnostic trouble code?
To fix P1846: Check the level and condition of the transmission fluid. Inspect the sensor wiring and connectors for damage. Check sensor resistance and reference voltage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1846?
Limited driving only, diagnose soon
How much does it cost to fix P1846?
The estimated repair cost for P1846 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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