P0985: Shift Solenoid “E” Control Circuit Low OBD-II Trouble Code

Each shift solenoid is responsible for certain actions inside the transmission, like pushing clutch packs or gears into place. It accomplishes those actions by directing the flow of pressurized transmission fluid down the right channel. If the ECU detects an unusually low voltage signal coming from the shift solenoid E control circuit, it will save a P0985 DTC.

Need a replacement transmission? Get an estimate for replacement transmissions and local installation. Look up your transmission model by vehicle make and model.

What Transmission Do I Have?

How Serious is the Code?

If the ECU detects a low voltage signal coming from the shift solenoid E (i.e. the number five solenoid), it means that the solenoid isn’t responding properly, and that will result in a number of transmission problems. So a P0985 diagnostic trouble code is very serious.

Symptoms

Symptoms of a P0985 include:

  • Gear changes are abrupt and harsh
  • Transmission may not shift into gear

Causes

  • Transmission fluid is too low or too dirty
  • Damaged wiring and/or connectors
  • Broken shift solenoid

How to Diagnose the Code?

The process of diagnosing a P0985 OBDII trouble code, should begin with an examination of the level and condition of the transmission fluid. Dirty transmission fluid can actually hinder the operation was solenoid, so the transmission should be serviced immediately, if the level and condition is not up to spec. The wiring and connectors along the transmission wiring harness will also need to be carefully examined. If no broken wires or broken/corroded connectors are found, then the shift solenoid E should be checked.

Need a replacement transmission? Get an estimate for replacement transmissions and local installation. Look up your transmission model by vehicle make and model.

What Transmission Do I Have?

What Repairs Will Fix P0985?

  • Service the transmission
  • Replace or repair damage wiring/connectors
  • Replace shift solenoid

Related Codes

  • P0984 – Shift Solenoid “E” Control Circuit Range/Performance
  • P0986 – Shift Solenoid “E” Control Circuit High