DTC B18B8 Dodge

Starter Relay Circuit Low-Signal Invalid

Starter Relay Circuit Low-Signal Invalid

Description

RFH (Radio Frequency Hub) Module detects that the following signals are unpaired for at least 0.5 seconds for 5 times continuously: Condition of automatic gear lever neutral sensor (manual gearbox)Condition of the starter remote control switch downstream circuitResult of ECM (Engine Control Module) checkCondition of output CAN line signal from ECM (Engine Control Module)

Cause and Solution

DTCS IN THE ECM (ENGINE CONTROL MODULE) MODULEECM (ENGINE CONTROL MODULE) FAULTFAULT IN THE RFH (RADIO FREQUENCY HUB) MODULE

Video Guide

Duration: PT4M19S | Uploaded: 2020-07-12

Diagnostic Info

  • DTC Code: B18B8
  • Brand: Dodge
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