F 350 2WD Super Duty V10-6.8L (2009)
-
Is DTC B2048, B2050, B2949, B2A2B, B2A2C, or B2A38 retrieved (or any combination of these DTCs)?
Yes
INSTALL a new SJB. REFER to Smart Junction Box (SJB) See: Power and Ground Distribution/Power Distribution Module/Service and Repair/Smart
Junction Box (SJB). CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.
No
The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the
self-test. TEST the system for normal operation.
-------------------------------------------------
Pinpoint Test C: DTC B1317
Smart Junction Box (SJB)
Pinpoint Tests
Pinpoint Test C: DTC B1317
Refer to Wiring Diagram Set 117, Remote Keyless Entry and Alarm for schematic and connector information. See: Diagrams/Electrical
Diagrams/Diagrams By Number
Normal Operation
The Smart Junction Box (SJB) monitors the voltage from the battery to determine if it goes above or below specific thresholds and sets DTC B1317 in
continuous memory if the SJB detects high battery voltage above 15 volts on circuit SDC02 (RD).
-
DTC B1317 (Battery Voltage High) - a continuous memory DTC that sets when the SJB detects battery voltage above 15 volts on circuit SDC02
(RD).
This pinpoint test is intended to diagnose the following:
-
Charging system concern
-
SJB
PINPOINT TEST C: DTC B1317
NOTE: DTC B1317 may be stored in the module memory due to previous battery charging or vehicle jump starting events.
-------------------------------------------------
C1 CHECK FOR DTCs B1317, B1676 OR P0563 SET IN OTHER MODULES
-
Ignition ON.
-
Enter the following diagnostic mode on the scan tool: (All Modules) Self-Test.
-
Retrieve the continuous memory DTCs from all modules.
-
Is DTC B1317, B1676 or P0563 (PCM) set in more than one module?
Yes
REFER to Charging System to diagnose an overcharging condition.
No
GO to C2.
-------------------------------------------------
C2 CHECK THE BATTERY VOLTAGE
-
Turn off all interior/exterior lights and accessories.
-
Start and run the engine at approximately 2,000 rpm for 3 minutes while monitoring the battery voltage.
-
Does the battery voltage rise to 15 volts or higher?
