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Home >> Ford >> 2009 >> Flex Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 81 (Exterior Lighting System -- F250-F550 Super Duty) >> Diagnosis And Testing >> Reversing Lamps >> Symptom Chart

Symptom Chart

WARNING: This page is about a different car, the 2005 Ford Pickup, 2005 Ford F550 Super Duty, 2005 Ford F450 Super Duty, and 2005 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Refer to SYSTEM WIRING DIAGRAM for the connector numbers stated in the pinpoint tests.
SYMPTOM CHART

Condition Possible Sources Action
  • The reversing lamps are inoperative
  • Circuitry
  • Reversing lamp relay (diesel with A/T only)
  • Reversing lamp switch (M/T)
  • Digital transmission range (TR) sensor (A/T) (gasoline engine)
  • CJB
  • Reversing lamp relay (diesel engine with A/T transmission)
  • Powertrain control module (PCM) (diesel engine with A/T)
  • The individual reversing lamp is inoperative
  • Reversing lamp
  • Circuitry
  • The reversing lamps are on continuously
  • Circuitry
  • Reversing lamp switch (M/T)
  • Digital TR sensor (A/T) (gasoline engine)
  • Reversing lamp relay (diesel engine with A/T transmission)
  • CJB
  • PCM (diesel engine with A/T)