B1488 RAM - Cabin EQ Mismatch Performance Amplifier Electrical Diagnostics

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3    What is this?
Table of contents

B1488 RAM Possible Causes

  • Faulty Body Control Module (BCM)
  • Body Control Module (BCM) harness is open or shorted
  • Body Control Module (BCM) circuit poor electrical connection
  • Faulty Audio Amplifier

How do I fix code B1488 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.
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Cost of diagnosing the B1488 RAM code

Labor: 1.0

The cost of diagnosing the B1488 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)

B1488 RAM Description

If the Cabin Equalization Curve number message from the Body Control Module (BCM) is not the same as the Cabin Equalization Curve number stored in the Amplifier for 10 consecutive cycles, then the Amplifier (AMP) will set this Diagnostic Trouble Code (DTC).
OBDII Code B1488 Ram - Cabin EQ Mismatch Performance Amplifier Electrical Diagnostics - AutoCodes.com

More Information

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