DTC Lookup

B1238 DTC

Audio amplifier internal malfunction

Component Connector
Component Connector
Component Connector
Component Connector
Component Connector
Component Connector
Component Connector
Component Connector
Component Connector
Component Connector

Possible Causes

  • 1. Audio amplifier malfunction (Refer to [AUDIO AMPLIFIER REMOVAL/INSTALLATION] in workshop manual.) Repeatability verification procedure 1. Clear the DTC recorded in the memory. (See CLEARING DTC .) 2. Switch the ignition ON (engine off or on)/main power ON (READY off or on) and wait for 30 s or mo

CMU

B1238:49 [CMU]

SM3340083

id990250115700

System malfunction location

Audio amplifier internal malfunction
Detection condition
• The connectivity master unit (CMU) detects an internal malfunction in the audio amplifier.
Fail-safe
• Not applicable
Possible cause
Repeatability verification procedure
1. Clear the DTC recorded in the memory. (See CLEARING DTC.)
2. Switch the ignition ON (engine off or on)/main power ON (READY off or on) and wait for 30 s or more.
System wiring diagram
• Not applicable