Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Inspection and Verification
This article provides step-by-step module configuration procedures. Carry out the PMI procedures in this information when another article directs to carry out "configuration" or when DTCs from the list below are present:
| DTC | Description | Source | Action |
|---|---|---|---|
| B2477 | Module Configuration Failure | ABS module Accessory protocol interface module (APIM) Audio control module (ACM) Driver seat module (DSM) Instrument cluster (IC) Rear entertainment module (RETM) Parking aid module (PAM) Restraints control module (RCM) Satellite digital audio receiver system (SDARS) module Smart junction box (SJB) Steering effort control module (SECM) |
CARRY OUT programmable module installation (PMI). REFER to Programmable Module Installation . |
| B2900 | VIN Mismatch | ABS module RCM 4X4 control module |
CARRY OUT PMI. REFER to Programmable Module Installation . |
| B2A21 | One or More Configuration Files Missing/Corrupt | SJB | CARRY OUT PMI. REFER to Programmable Module Installation . |
| P0602 | Powertrain Control Module Programming Error | PCM | CARRY OUT PMI. REFER to Programmable Module Installation . |
| P0605 | Internal Control Module Read Only Memory (ROM) Error | PCM | CARRY OUT PMI. REFER to Programmable Module Installation . |
| P1639 | Vehicle ID Block Corrupted, Not Programmed | PCM | CARRY OUT PMI. REFER to Programmable Module Installation . |
| U0300 | Internal Control Module Software Incompatibility | PCM HVAC module |
CARRY OUT PMI. REFER to Programmable Module Installation . |
| U0301 | Software Incompatibility with Engine/Powertrain Control Module | PCM | CARRY OUT PMI. REFER to Programmable Module Installation . |
| U2050 | No Application Present | ABS module ACM APIM DSM HVAC module IC LTM Occupant classification system module (OCSM) PCM RETM RCM SDARS module SECM SJB 4X4 control module |
CARRY OUT PMI. REFER to Programmable Module Installation . |
| U2051 | One or More Calibration Files Missing / Corrupt | ACM HVAC module LTM OCSM PCM 4X4 control module |
CARRY OUT PMI. REFER to Programmable Module Installation . |
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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