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Home >> Jaguar >> 2019 >> XF S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Automatic Transmission/Transaxle - RWD -- XF/(X260)) >> Automatic Transmission/Transaxle - RWD (G1868372) >> Diagnosis And Testing >> Diagnostics - Vehicles With: 8HP45 8-Speed Automatic Transmission RWD (G1889547) >> Symptom Chart >> Overview

Symptom Chart: Overview

WARNING: This page is about a different variant/trim than selected.
SYMPTOM POSSIBLE CAUSES ACTION
Malfunction indicator lamp illuminated and/or warning message: TRANSMISSION FAULT
  • Engine system fault
  • Transmission control switch fault
  • Transmission system fault
  • Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTC  and refer to the relevant DTC  index
  • Using the Jaguar Land Rover approved diagnostic equipment, check the transmission control switch for related DTC  and refer to the relevant DTC  index
  • Using the Jaguar Land Rover approved diagnostic equipment, check the transmission control module for related DTC  and refer to the relevant DTC  index
Gear shifts harsh
  • Engine system fault
  • Transmission system fault
  • Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTC  and refer to the relevant DTC  index
  • Using the Jaguar Land Rover approved diagnostic equipment, check the transmission control module for related DTC  and refer to the relevant DTC  index
Gear shifts erratic
  • Transmission control module power or ground circuit open circuit, high resistance
  • Automatic transmission fluid level too high
  • Automatic transmission fluid level too low
  • Refer to the electrical circuit diagrams and check the transmission control module power and ground circuits for open circuit, high resistance. Repair the wiring harness as necessary
  • Drain the excess transmission fluid
  • Rectify any automatic transmission fluid leaks. Add fluid as necessary
Automatic transmission fluid leaking from the breather
  • Automatic transmission fluid overfull
  • Drain the excess transmission fluid