Obdaryn

P08E4Shift Solenoid L Control Circuit Low

  • Generic OBD-II code · Powertrain
  • Turns on the check-engine light
  • Matters for the ITP
  • Can trigger limp mode
How the car detects it
Low-voltage fault in the control circuit of shift solenoid L. Usually it means a short to ground on the control wire, less often a coil with shorted windings that pulls the voltage down. No manufacturer documents this code publicly. GM's analogue for solenoid A, P0973 on the 6-speed units, needs a ground-short flag from the output hardware for 1.2 of 1.5 seconds and lights the MIL after one trip; Ford names P0973 a short to ground and runs the check continuously. CARB requires circuit monitoring. P08E5 is the high-voltage counterpart, P08E6 the open circuit. A shorted output usually forces the TCM into a safe substitute gear, and acceleration feels weaker.
What you may notice
  • Check engine or transmission warning light on
  • Transmission locked in a substitute gear
  • Weak acceleration
Likely causes
  • LikelyControl wire shorted to ground
  • PossibleCoil with shorted windings
  • RareFluid or moisture in the connector creating a path to ground
Inspection (ITP)
Matters for the ITP. While the check-engine light is on, the car fails the emissions check.
Repair
Hard · Usually a job for a workshop.Typical cost: €100 – €1,500

Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.