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Home >> Dodge and Ram >> 2023 >> ProMaster 2500 >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Radio Frequency Module (RF Hub) - DTCS B1001-21 To B1045-01 >> DTC Troubleshooting >> B1032-31 RF Module Communication - No Signal >> Possible Causes

Possible Causes

Possible Causes
FUSED B(+) CIRCUIT OPEN OR SHORTED
GROUND CIRCUIT OPEN
CONTROL AREA NETWORK (CAN) C BUS CIRCUIT(S) OPEN/HIGH RESISTANCE
RADIO FREQUENCY HUB (RF HUB) MODULE

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding  . Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

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