P0950 Fault Code

P0950 OBD-II Trouble Code Short Description

ASM Control Circuit [Up / Down / Auto / etc]

What does trouble code P0950 mean?

The P0950 fault code indicates an issue with the ASM (Automatic Shifting Mechanism) Control Circuit, which can involve problems withup, down, or automatic shifting functions. This fault may arise due to a malfunctioning sensor or an electrical issue within the circuit.

Symptoms

What are the symptoms of the P0950 code?

  • Inconsistent or erratic shifting behavior
  • Transmission may refuse to shift or shift at inappropriate times
  • Warning lights on the dashboard, such as Check Engine light or transmission light
  • Unusual noises from the transmission during shifting

Causes

What causes the P0950 code?

  • Wiring issues such as frayed or shorted wires
  • Faulty ASM control module
  • Defective transmission shift solenoid
  • Poor electrical connections or corrosion in connectors
  • External factors like moisture or debris affecting the circuit

Possible Solutions

How to fix P0950?

  • Inspect the wiring and connectors for any damage or wear and repair as necessary
  • Replace the faulty ASM control module if it is determined to be defective
  • Test and replace the transmission shift solenoid if malfunctioning
  • Clear any debris or moisture that may have entered the circuit