Pinpoint Test E: DTC P06EF Degraded Crank

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DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
PCM P06EF:00	Engine Restart Performance: No Sub Type Information	Degraded crank.

Possible Sources

Battery
Wiring, terminals or connectors

Visual Inspection and Pre-checks

Inspect high current BJB for loose, damaged or corroded connections.
Inspect the BJB fuse 3 (275A).

E1 CHECK FOR ACCESSORY DRIVE BELT NOISE AND LOOSE MOUNTING BRACKETS
- Ignition OFF.
- Check the FEAD belt and tensioner for damage and correct installation. REFER to: Accessory Drive .
Is the accessory drive OK?

Yes GO to E2

No REPAIR as necessary.

E2 TEST THE BATTERY CONDITION

NOTE: Failure to fully charge the battery before retesting may cause false readings.
- Using the Diagnostic Battery Charger and the battery cables removed from the battery, verify the battery condition.
Is the battery OK?

Yes If the battery is Ok, then GO to E3

No If the analyzer reads REPLACE BATTERY or REPLACE-BAD CELL, INSTALL a new battery. REFER to: Battery .

E3 PERFORM INSPECTION AND VERIFICATION
- Perform Inspection and Verification procedure In this article.
Was an obvious cause for an observed or reported concern found?

Yes Correct the cause as necessary.

No GO to E4

E4 VERIFY THE PCM (POWERTRAIN CONTROL MODULE) PASS THE NETWORK TEST
- Ignition ON.
- Using a diagnostic scan tool, perform the Network Test.
Did the PCM pass the Network Test?

Yes GO to E5

No REFER to: Controller Area Network (CAN) Module Communications Network .

E5 CHECK THE BATTERY GROUND CABLES

Measure:

Positive Lead	Measurement / Action	Negative Lead
Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY	Ground G117
Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY	Ground G119

Ignition ON.

Are the voltages between 13-16 volts?

Yes

GO to E6

No	CLEAN or INSTALL new negative battery cables as necessary. REFER to: Battery Cables - 3.5L V6 PowerBoost (CN) .

E6 CHECK THE VOLTAGE TO THE BELT INTEGRATED STARTER GENERATOR

Measure:

Positive Lead	Measurement / Action	Negative Lead
C1011B-1	Courtesy of FORD MOTOR COMPANY	Ground

Are the voltages between 13-16 volts?

Yes

GO to E7

No	Repair positive battery cable or engine grounds. REFER to: Battery Cables - 3.5L V6 PowerBoost (CN) .

E7 CHECK THE BELT INTEGRATED STARTER GENERATOR SHORT TO GROUND

Measure:

Positive Lead	Measurement / Action	Negative Lead
Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY Starter motor case

Is the voltage greater than 8 volts?

Yes

GO to E8

No	CLEAN the starter motor mounting flange and MAKE SURE the starter motor is correctly mounted. REFER to: Starter Generator - 3.5L V6 PowerBoost (CN) .

E8 CHECK FOR CORRECT PCM (POWERTRAIN CONTROL MODULE) OPERATION

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 all 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, Refer to PCM GUIDED ROUTINE TESTING
Internet Explorer version 11 or greater is required to perform this Pinpoint Test.

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.