OBD Guide

P0877

Transmission Fluid Pressure Sensor/Switch D Circuit Low

P0877 is an OBD-II diagnostic trouble code meaning: Transmission Fluid Pressure Sensor/Switch D Circuit Low. Common causes: faulty transmission fluid pressure sensor, open or short circuit in the sensor circuit. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Incorrect gear shifting
  • Transmission transition to emergency mode
  • Reduced engine performance
  • Check engine light comes on
  • Gear shifts are delayed

Causes

  • Faulty transmission fluid pressure sensor
  • Open or short circuit in the sensor circuit
  • Bad contacts in the sensor connectors
  • Low transmission fluid level
  • Problems with the hydraulic transmission system

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Inspect the sensor circuit for damage
  3. Check sensor connectors and connections
  4. Test the transmission fluid pressure sensor
  5. If necessary, replace the sensor or repair the wiring

Related codes

Error P0877 by Vehicle Brand

FAQ

What does the P0877 code mean?

P0877 is an OBD-II diagnostic trouble code that indicates: Transmission Fluid Pressure Sensor/Switch D Circuit Low

What causes a P0877 error code?

The most common causes of P0877 include: Faulty transmission fluid pressure sensor; Open or short circuit in the sensor circuit; Bad contacts in the sensor connectors; Low transmission fluid level.

How do I fix a P0877 diagnostic trouble code?

To fix P0877: Check the level and condition of the transmission fluid. Inspect the sensor circuit for damage. Check sensor connectors and connections. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0877?

Yes, but get it checked soon

How much does it cost to fix P0877?

The estimated repair cost for P0877 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat