Fault codes › P0898

P0898

Transmission Control System MIL Request Circuit Low

Generic code Transmission System High severity Hard repair
Free on OBD DashX

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See P0898 on OBD DashX No sign-up needed · available in 10 languages

iWhat P0898 means

  • The fault code P0898 indicates a low voltage condition in the transmission control system's MIL (Malfunction Indicator Lamp) request circuit. This code is often associated with a malfunction or fault within the transmission control module (TCM), causing the MIL to be unresponsive or not illuminating when required.

!Possible symptoms

  • Malfunction Indicator Lamp (MIL) not illuminating when it should, or not illuminating at all.
  • Inability to retrieve fault codes from the TCM through the MIL.
  • Limited or no communication with the TCM through diagnostic tools.
  • Other associated transmission
  • related fault codes may be present.
  • No noticeable drivability issues are typically associated with this fault code.

?Possible causes

  • Faulty transmission control module (TCM)
  • Wiring or electrical connection issues in the MIL request circuit
  • Blown fuse related to the MIL circuit
  • Malfunctioning MIL bulb or LED
  • Poor ground connection in the circuit

Related parts

  • Transmission Control System: Gear system in the car

Possible solutions

  • Inspect the wiring and electrical connections in the MIL request circuit for any damage, loose connections, or corrosion. Repair or replace as necessary.
  • Check the fuses related to the MIL circuit and replace any blown fuses.
  • Test and replace the faulty transmission control module (TCM), if necessary.
  • Verify the functionality of the MIL bulb or LED. Replace if it is defective.
  • Ensure proper grounding in the circuit by checking the ground connection. Clean or repair the ground connection if needed.
Free on OBD DashX

P0898 on OBD DashX

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