B3288

Code

Generic B — Body

Body Control Module Configuration Error

Brand: Generic

Type: B — Body

Views: UK: 9 EN: 18 RU: 15

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Page language: EN

BCM warning lamp or message on dash
One or more body functions inoperative or operating incorrectly (locks, lights, windows, wipers, interior lighting)
Multiple related modules showing communication or configuration faults
Security/immobilizer warnings or vehicle not starting (if integrated)
Stored communication DTCs on other modules (U-codes)

Read all stored and pending DTCs from BCM and other modules; record freeze frame and history
Check battery voltage and perform a battery health check before any programming
Verify ability to communicate with BCM using OEM scan tool; note module part number, software/calibration ID and VIN in the module
Inspect BCM connectors and wiring for corrosion, bent pins, water intrusion or damage
Check for other communication codes on CAN/LIN buses (U0100, U0073, etc.)
Confirm vehicle configuration/options and match to BCM coding values shown by scan tool

Battery supply to BCM: typically 11–14.5 V with ignition ON (verify stable during programming)
Ground continuity: chassis ground to BCM < 1 ohm typical
CAN bus communication: valid messages present on related CAN networks; no persistent bus-off state
Module response: BCM should enumerate on scan tool and return part number and calibration ID
VIN and vehicle option fields: BCM VIN should match vehicle VIN exactly

Retrieve all codes from BCM and all other modules; note related U‑codes or code patterns. 2) Check battery voltage and ensure a fully charged, stable power source; connect battery maintainer if needed. 3) Visually inspect BCM connectors and harness for damage, corrosion or moisture; repair any wiring issues. 4) Confirm scan tool can communicate with BCM; record module part number, software (calibration) version, and coding values. 5) Compare BCM VIN/coding to vehicle VIN and options. If mismatched, re‑enter correct vehicle configuration using manufacturer procedure. 6) Check for interrupted or failed previous programming; if present, perform OEM reflash/update with latest calibration and correct vehicle profile. 7) After reflash/coding, clear DTCs and perform key/immobilizer learn if required by manufacturer. 8) Cycle ignition and exercise affected functions; verify no return of B3288 and that BCM communications are normal. 9) If configuration error persists and software reflash/coding fails or module shows memory faults, consider BCM replacement and program replacement unit per OEM procedures (ensure security/immobilizer steps are followed). 10) Recheck entire vehicle network for additional module faults and address as required.