Diagnostic Trouble Code (DTC) Chart
Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).
Diagnostic Trouble Code Chart
Module | DTC | Description | Action |
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BCM | B1277:11 | Reverse Lamp: Circuit Short To Ground | GO to Pinpoint Test A |
BCM | B1277:15 | Reverse Lamp: Circuit Short To Battery or Open | GO to Pinpoint Test A |
BCM | — | All other BCM Diagnostic Trouble Codes (DTCs) |
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Diagnosis and Testing). |
Symptom Charts
Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).
Symptom Chart: Reversing Lamps
Condition | Possible Sources | Actions |
---|---|---|
A module does not respond to the diagnostic scan tool |
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REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing). |
Both reversing lamps are inoperative or always on | Refer to the Pinpoint Test | GO to Pinpoint Test A |
An individual reversing lamp is inoperative | Refer to the Pinpoint Test | GO to Pinpoint Test B |
Pinpoint Tests
Refer to Wiring Diagrams Cell 93 for schematic and connector information. Normal Operation and Fault Conditions
REFER to: Exterior Lighting - Overview (417-01 Exterior Lighting, Description and Operation). DTC Fault Trigger Conditions
Possible Sources
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A1 CHECK THE PCM (POWERTRAIN CONTROL MODULE) TRANSMISSION RANGE PID (PARAMETER IDENTIFICATION) | ||||||||||
Does the PID indicate the correct value in each gear selection?
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A2 CHECK THE REVERSING LAMP VOLTAGE CIRCUIT FOR A SHORT TO GROUND | ||||||||||
Is the resistance greater than 10,000 ohms?
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A3 CHECK THE REVERSING OUTPUT CIRCUIT FOR A SHORT TO GROUND | ||||||||||
Is the resistance greater than 10,000 ohms?
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A4 CHECK THE REVERSING LAMP VOLTAGE CIRCUITS FOR AN OPEN | ||||||||||
Is the resistance less than 3 ohms?
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A5 CHECK THE REVERSING LAMP VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE | ||||||||||
Are the reverse lamps still on?
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A6 CHECK THE REVERSING OUTPUT SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE | ||||||||||
Is any voltage present?
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A7 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION | ||||||||||
Is the concern still present?
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Refer to Wiring Diagrams Cell 93 for schematic and connector information. Normal Operation and Fault Conditions
REFER to: Exterior Lighting - Overview (417-01 Exterior Lighting, Description and Operation). Possible Sources
Visual Inspection and Pre-checks
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B1 CHECK FOR VOLTAGE TO THE REVERSING LAMP | ||||||||||||||||
Is the voltage greater than 11 volts?
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B2 CHECK THE REVERSING LAMP GROUND CIRCUIT FOR AN OPEN | ||||||||||||||||
Is the voltage greater than 11 volts?
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When these locks are set, you cannot open the rear doors from the inside.
A child safety lock is on the rear edge of each rear door. You must set the child safety lock separately on each door.
Left-Hand Side