RCM Bracket Ground Resistance High
Table of contents
B1921 JAGUAR Possible Causes
- Faulty Restraint Control Module (RCM)
- Restraint Control Module (RCM) harness is open or shorted
- Restraint Control Module (RCM) circuit poor electrical connection
How do I fix code B1921 JAGUAR?
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.
Cost of diagnosing the B1921 JAGUAR code
The cost of diagnosing the B1921 JAGUAR 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
- Air Bag Warning Light ON
B1921 JAGUAR Description
The Restraint Control Module (RCM) monitors resistance between ground connections at its housing and reference ground at RCM connector. If RCM detects resistance more than 100 ohms, it stores Diagnostic Trouble Code (DTC) B1921 in memory and flashes on AIR BAG warning light.
