LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2005 >> B3000 Base, Automatic >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Instrumentation/Driver Information DTCS >> Restraint Control Module (RCM) Diagnostic Trouble Code (DTC) List
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Restraint Control Module (RCM) Diagnostic Trouble Code (DTC) List

RESTRAINT CONTROL MODULE (RCM) DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description DTC Caused By Action
B1869 Lamp Air Bag Warning Indicator Circuit Open RCM See INSTRUMENT CLUSTER PINPOINT TEST 20: AIR BAG INDICATOR IS NEVER/ALWAYS ON .
B1870 Lamp Air Bag Warning Indicator Circuit Short To Battery RCM See INSTRUMENT CLUSTER PINPOINT TEST 20: AIR BAG INDICATOR IS NEVER/ALWAYS ON .
B2432 Drivers Seat Belt Buckle Switch Circuit Open RCM See INSTRUMENT CLUSTER PINPOINT TEST 18: SAFETY BELT WARNING INDICATOR IS ALWAYS/NEVER ON .
B2434 Drivers Seat Belt Buckle Switch Circuit Short to Ground RCM See INSTRUMENT CLUSTER PINPOINT TEST 18: SAFETY BELT WARNING INDICATOR IS ALWAYS/NEVER ON .
B2435 Drivers Seat Belt Buckle Switch Circuit Resistance out of Range RCM See INSTRUMENT CLUSTER PINPOINT TEST 18: SAFETY BELT WARNING INDICATOR IS ALWAYS/NEVER ON .
B2436 Passengers Seat Belt Buckle Switch Circuit Open RCM See INSTRUMENT CLUSTER PINPOINT TEST 18: SAFETY BELT WARNING INDICATOR IS ALWAYS/NEVER ON .
B2438 Passengers Seat Belt Buckle Switch Circuit Short to Ground RCM See INSTRUMENT CLUSTER PINPOINT TEST 18: SAFETY BELT WARNING INDICATOR IS ALWAYS/NEVER ON .
B2439 Passengers Seat Belt Buckle Switch Circuit Resistance out of Range RCM See INSTRUMENT CLUSTER PINPOINT TEST 18: SAFETY BELT WARNING INDICATOR IS ALWAYS/NEVER ON .
All other RCM DTCs   RCM See COMMUNICATIONS NETWORK DIAGNOSIS .