Vehicle applicability: This diagnostic supplement covers multiple Ford vehicles and engines. Follow the application named in the source below. Some references apply to vehicles other than Mustang.
Powertrain DTC Charts and Descriptions 4-115
Diagnostic Trouble Code (DTC) Charts and Descriptions
P1698 - Cold Start Fuel Pump Primary Circuit/Open (Continued)
All GO to Pinpoint Test AB.
P169B - Cold Start Fuel Pump Primary Circuit High
Description: This DTC sets when the cold start relay control circuit indicates the expected voltage value is greater than the
calibrated threshold.
Possible Causes: • Cold start fuel relay
• CSRC circuit short to voltage
Diagnostic Aids:
Application Key On Engine Off Key On Engine Running Continuous Memory
All GO to Pinpoint Test AB.
P169C - Cold Start Fuel Pump Secondary Circuit/Open
Description: This DTC sets when the cold start fuel pump monitor circuit indicates the expected voltage value is out of range
of the calibrated threshold.
Possible Causes: • Cold start fuel relay
• CSFPPWR circuit open
• CSFPPWR circuit short to ground
• CSFPPWR circuit short to voltage
• CSM circuit open
Diagnostic Aids:
Application Key On Engine Off Key On Engine Running Continuous Memory
All GO to Pinpoint Test AB.
P1703 - Brake Switch Out Of Self-Test Range
Description: This DTC sets when the BPP signal is high during the key ON engine OFF (KOEO) self-test or the BPP signal
did not cycle high and low during the key ON engine running (KOER) self-test.
Possible Causes: • BPP circuit open
• BPP circuit short to ground
• Concern in modules connected to the BPP circuit
• Damaged brake switch
• Incorrectly adjusted brake switch
• Stoplamp circuits open
• Stoplamp circuits short to ground
Diagnostic Aids: Check for correct function of the stoplamps. Using a scan tool, check the brake pedal position PID. The
stoplamps and PID should turn ON and OFF with brake pedal activation.
Application Key On Engine Off Key On Engine Running Continuous Memory
All GO to Pinpoint Test FD.
P1705 - Transmission Range Sensor Out Of Self-Test Range
Description:
Possible Causes:
Diagnostic Aids: Refer to the Workshop Manual Section 303-14, Electronic Engine Controls.
Application Key On Engine Off Key On Engine Running Continuous Memory
All Refer to the Description, Possible Causes and Diagnostic Aids for the DTC.
P1709 - Park/Neutral Position (PNP) Switch Out Of Self-Test Range
Description:
2016 Powertrain Control/Emissions Diagnosis, Gasoline Engines, 3/2015
2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.