Pinpoint Test B : Engine Does Not Crank - With Push-Button Start
WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty, 2018 Ford F-450 Super Duty, 2018 Ford F-350 Super Duty, and 2018 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
- B1 PERFORM INSPECTION AND VERIFICATION
- Perform Inspection and Verification .
Was an obvious cause for an observed or reported concern found?
Yes Correct the cause as necessary. No GO to B2 - B2 CHECK FOR NO KEY DETECTED MESSAGE IN THE MESSAGE CENTER
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NOTE: There are certain areas inside the vehicle where the IA key may not be detected and the message center displays NO KEY DETECTED. If the IA key is in the far outside edges of the interior (like in a door map pocket or above a sun visor) it might not be detected. Move the IA key to a different location and try to start the vehicle again.
Check the message displayed in the message center while pressing the ignition switch - push button start.
Is NO KEY DETECTED displayed?
Yes Diagnose the NO KEY DETECTED concern. Refer to: Passive Anti-Theft System (PATS) . No GO to B3 -
- B3 VERIFY THE BCM (BODY CONTROL MODULE) AND PCM (POWERTRAIN CONTROL MODULE) PASS THE NETWORK TEST
- Ignition ON.
- Using a diagnostic scan tool, perform the Network Test.
Did the BCM and PCM pass the Network Test?
Yes GO to B4 No REFER to: Communications Network . - B4 RETRIEVE DIAGNOSTIC TROUBLE CODES (DTCS)
- Using a diagnostic scan tool, perform BCM and PCM self-tests.
Are any Diagnostic Trouble Codes (DTCs) present?
Yes For all BCM Diagnostic Trouble Codes (DTCs), refer to BCM DTC Chart . For PCM DTC P06E9 GO to B5. For all other PCM Diagnostic Trouble Codes (DTCs), REFER to: Electronic Engine Controls . No GO to B5 - B5 CHECK THE OPERATION OF THE STOPLAMPS
- While observing the stoplamps, apply the brake pedal.
Do the stoplamps illuminate?
Yes GO to B6 No Diagnose All the Stoplamps are inoperative. Refer to: Stoplamps . - B6 CHECK THE BRAKE PEDAL POSITION (BOO1) PID (PARAMETER IDENTIFICATION)
- Using a diagnostic scan tool, view PCM Parameter Identifications (PIDs)
- Monitor the PCM B001 PID while applying the brake pedal.
Does the PID read On?
Yes GO to B8 No GO to B7 - B7 CHECK THE BPP (BRAKE PEDAL POSITION) SWITCH CIRCUIT FOR VOLTAGE AT THE PCM (POWERTRAIN CONTROL MODULE)
- Ignition OFF.
- Disconnect PCM C1232B .
- While applying the brake pedal, measure:
Positive Lead Measurement / Action Negative Lead C1232B-46 Ground
Is the voltage greater than 11 volts?
Yes GO to B22 No REPAIR the circuit. - B8 CHECK BCM (BODY CONTROL MODULE) IGN_SW_STATE PID (PARAMETER IDENTIFICATION)
- Using a diagnostic scan tool, view the BCM Parameter Identifications (PIDs).
- Make sure the transmission is in PARK or NEUTRAL.
- Monitor the BCM PID IGN_SW_STATE while pressing the ignition switch - push button start and the brake pedal.
Does the PID change from Off to Start when the ignition switch - push button start and the brake pedal are pressed?
Yes GO to B9 No DIAGNOSE No power in ON. Refer to: Steering Wheel and Column Electrical Components . - B9 CHECK THE TRANSMISSION RANGE INPUT ALLOWING ENGINE START (TR_CRANK) PID (PARAMETER IDENTIFICATION)
- Using a diagnostic scan tool, view the TCM Parameter Identifications (PIDs).
- Monitor the TCM PID TR_CRANK, while placing the gear selector in PARK and then NEUTRAL.
Does the PID read Yes in both positions?
Yes GO to B10 No REFER to: Diagnostic Strategy . - B10 CHECK THE PCM (POWERTRAIN CONTROL MODULE) ENGINE CRANKING (ENG_CRANK) PID (PARAMETER IDENTIFICATION)
- Make sure the transmission is in PARK or NEUTRAL.
- Using a diagnostic scan tool, view the PCM Parameter Identifications (PIDs).
- Monitor the PCM PID ENG_CRANK while pressing the ignition switch - push button start and the brake pedal.
Does the PID change from Inactive to Active?
Yes GO to B11 No GO to B21 - B11 CHECK THE BJB (BATTERY JUNCTION BOX) STARTER RELAY FUSE
- Verify the BJB fuse 63 (30A).
Was the fuse OK?
Yes GO to B12 No REPAIR the circuit for a short to ground. - B12 CHECK FOR START REQUEST AT THE STARTER
- Disconnect Starter solenoid C197A .
- While holding the key in the START position, measure:
Positive Lead Measurement / Action Negative Lead C197A-1 ("S" terminal) Ground
Is the voltage greater than 11 volts?
Yes GO to B17 No Connect Starter solenoid C197A and GO to B13 - B13 CHECK THE STARTER MOTOR CONTROL OPERATION
- Disconnect BJB Relay Module C1035B .
- Connect a remote starter switch:
Positive Lead Measurement / Action Negative Lead C1035B-6 Remote Starter Switch
- Momentarily engage the remote starter switch.
Does the engine crank?
Yes GO to B14 No REPAIR circuit for open. - B14 CHECK THE PCM (POWERTRAIN CONTROL MODULE) STARTER RELAY CONTROL CIRCUITS FOR A SHORT TO VOLTAGE
- Connect BJB Relay Module C1035B .
- Disconnect PCM C1232B .
- Ignition ON.
Is any voltage present?
Yes REPAIR the affected circuit. No GO to B15 - B15 CHECK THE PCM (POWERTRAIN CONTROL MODULE) STARTER RELAY CONTROL CIRCUITS FOR A SHORT TO GROUND
- Ignition OFF.
- Disconnect ACM C240A .
- Disconnect BJB Relay Module C1035B .
Are the resistances greater than 10, 000 ohms?
Yes GO to B16 No REPAIR the affected circuit. - B16 CHECK THE PCM (POWERTRAIN CONTROL MODULE) STARTER RELAY CONTROL CIRCUITS FOR AN OPEN
Are the resistances less than 3 ohms?
Yes INSTALL a new BJB relay module. No REPAIR the affected circuit. CHECK the system for proper operation. If engine will still not crank, GO to B22 - B17 CHECK THE STARTER MOTOR FOR CORRECT OPERATION
- Perform Starter Motor - Positive Circuit Test .
Was an obvious cause found?
Yes Correct the cause as necessary. No GO to B18 - B18 CHECK THE BATTERY GROUND CABLES
- Measure:
Positive Lead Measurement / Action Negative Lead Ground G100 Ground G101 Ground G102 Ground G104 (with dual batteries)
Are the voltages greater than 11 volts?
Yes GO to B19 No CLEAN or INSTALL anew negative battery cable as necessary. Refer to: Battery Cables - 6.7L Power Stroke Diesel . - Measure:
- B19 CHECK THE STARTER MOTOR GROUND
Is the voltage greater than 11 volts?
Yes GO to B20 No CLEAN the starter motor mounting flange and MAKE SURE the starter motor is correctly mounted. Refer to: Starter Motor . - B20 CHECK THE VOLTAGE TO THE STARTER MOTOR
- Measure:
Positive Lead Measurement / Action Negative Lead C197C-1 ("B" terminal) Ground
Is the voltage greater than 11 volts?
Yes INSTALL a new starter motor. Refer to: Starter Motor . No INSTALL a new positive battery cable. Refer to: Battery Cables - 6.7L Power Stroke Diesel . - Measure:
- B21 CHECK PCM (POWERTRAIN CONTROL MODULE) FOR CRANK REQUEST
- Disconnect PCM C1232B .
- While holding the key in the START position, measure:
Positive Lead Measurement / Action Negative Lead C197A-1 ("S" terminal) Ground
Is the voltage greater than 11 volts?
Yes GO to B22 No REPAIR circuit for open. - B22 CHECK FOR CORRECT PCM (POWERTRAIN CONTROL MODULE) OPERATION
- Ignition OFF.
- Disconnect and inspect all PCM connectors.
- Repair:
- corrosion (install new connectors or terminals - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary
- Reconnect the PCM connectors. Make sure they seat and latch correctly.
- Operate the system and determine if the concern is still present.
Is the concern still present?
Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new PCM. Refer to: Powertrain Control Module (PCM) . No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.