Pinpoint Test AA: DTC B1317 (Rear Entertainment Module (RETM))

Information and Entertainment System

Pinpoint Tests

Pinpoint Test AA: DTC B1317 (Rear Entertainment Module (RETM))

Refer to Wiring Diagram Set 130, Audio System/Navigation for schematic and connector information. Diagrams By Number

Normal Operation
- DTC B1317 (Battery Voltage High) - set by the Rear Entertainment Module (RETM) as a continuous or on-demand DTC if the RETM detects high battery voltage above 16 volts for greater than 10 seconds on circuit SBP03 (BU/RD).

This pinpoint test is intended to diagnose the following:

- Charging system concern
- RETM



PINPOINT TEST AA: DTC B1317 (RETM)

NOTICE: DTC B1317 may be stored in the module memory due to past battery charging or vehicle jump starting events.

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AA1 CHECK FOR DTC B1317 OR DTC P0563 SET IN OTHER MODULES


- Ignition ON.
- Retrieve the continuous memory DTCs from all modules.
- Is DTC B1317, B1676 or P0563 (PCM) set in more than 1 module?

Yes
REFER to Charging System to diagnose an overcharging condition.

No
GO to AA2.

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AA2 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 15.5 volts or higher?

Yes
REFER to Charging System to diagnose an overcharging condition.

No
GO to AA3.

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AA3 RECHECK FOR DTC B1317


- Turn the engine off.
- Ignition ON.
- Clear the continuous memory DTCs.
- Carry out the RETM self-test.
- Is DTC B1317 present?

Yes
INSTALL a new RETM. REFER to Rear Entertainment Module (RETM) Service and Repair. TEST the system for normal operation.

No
The system is operating normally at this time. The DTC may have been set previously during battery charging or while jump starting the vehicle.

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