B14C8 RAM - Channel 12 Audio Speaker Output

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3    What is this?
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B14C8 RAM Possible Causes

  • Faulty Audio Amplifier
  • Audio Amplifier harness is open or shorted
  • Audio Amplifier circuit poor electrical connection

How do I fix code B14C8 RAM

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Tech Notes

B14C8-2B CHANNEL 12 AUDIO SPEAKER OUTPUT WIRES SHORTED TOGETHER
B14C8-11 CHANNEL 12 AUDIO SPEAKER OUTPUT CIRCUIT SHORT TO GROUND
B14C8-12 CHANNEL 12 AUDIO SPEAKER OUTPUT CIRCUIT SHORT TO BATTERY
B14C8-13 CHANNEL 12 AUDIO SPEAKER OUTPUT CIRCUIT OPEN
B14C8-92 CHANNEL 12 AUDIO SPEAKER OUTPUT PERFORMANCE OR INCORRECT OPERATION

Cost of diagnosing the B14C8 RAM code

Labor: 1.0

The cost of diagnosing the B14C8 RAM code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

B14c8 Ram Description

The amplifier receives fused battery current from a fuse in the Power Distribution Center (PDC) at all times. The internal circuitry of the amplifier switches the amplifier on based upon a CAN-I bus message that is received from the Radio Receiver Module (RRM) whenever the RRM is turned on. The amplifier receives the sound signal inputs from the left and right rear outputs of the RRM, and then sends the amplified speaker outputs for each of those channels to the speakers.
The amplifier receives information from the Body Control Module (BCM) and RRM, that communicates the correct channel setting for optimum speaker sound and output.
There are two amplifiers available, an 8 channel, rated at 322 watts (7 channels are used) and a 12 channel (11 channels are used), rated at 506 watts.
OBDII Code B14c8 Ram - Channel 12 Audio Speaker Output - AutoCodes.com

B14C8 RAM More Information

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