Diagnostic Trouble Code Chart
WARNING: This page is about a different car, the 2011 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
If a trouble code is displayed during DTC check, check the circuit corresponding to the code in the table below. Refer to the appropriate article.
MULTIPLEX COMMUNICATION SYSTEM
| DTC Code | Detection Item | Trouble Area | See |
|---|---|---|---|
| B1200 | MPX Body ECU Stop | 1. Body ECU 2. Wire harness |
Refer to DTC B1200: MPX Body ECU Stop |
| B1207 | Certification ECU Communication Malfunction | 1. Certification ECU 2. Wire harness |
Refer to DTC B1207: Certification ECU Communication Malfunction |
| B1208 | Passenger Side Outer Mirror ECU | 1. Memory mirror ECU (RH) 2. Wire harness |
Refer to DTC B1208: Passenger Side Outer Mirror ECU |
| B1209 | Driver Side Outer Mirror | 1. Memory mirror ECU (LH) 2. Wire harness |
Refer to DTC B1209: Driver Side Outer Mirror |
| B1210 | Power ECU Stop | 1. Power source control ECU 2. Wire harness |
Refer to DTC B1210: Power ECU Stop |
| B1214 | Short to B+ in Door System Communication Bus Malfunction | 1. ECUs 2. Wire harness |
Refer to DTC B1214: Short to B+ in Door System Communication Bus Malfunction; DTC B1215: Short to GND in Door System Communication Bus Malfunction |
| B1215 | Short to GND in Door System Communication Bus Malfunction | 1. ECUs 2. Wire harness |
Refer to DTC B1214: Short to B+ in Door System Communication Bus Malfunction; DTC B1215: Short to GND in Door System Communication Bus Malfunction |
| B1248 | AVC-LAN Communication Impossible | 1. AVC-LAN (radio receiver assembly or multi-display assembly) 2. Wire harness |
Refer to DTC B1248: AVC-LAN Communication Impossible |
| B1262 | A/C ECU Communication Stop | 1. A/C ECU 2. Wire harness |
Refer to DTC B1262: A/C ECU Communication Stop |
| B1271 | Combination Meter ECU Communication Stop | 1. Combination meter ECU 2. Wire harness |
Refer to DTC B1271: Combination Meter ECU Communication Stop |
| B1272 | Power Seat ECU Communication Stop | 1. Driver seat ECU (Power seat ECU) 2. Wire harness |
Refer to DTC B1272: Power Seat ECU Communication Stop |
| B1275 | Accessory Bus Buffer Communication Stop | 1. Option connector (BEAN bus buffer) 2. Wire harness |
Refer to DTC B1275: Accessory Bus Buffer Communication Stop |
| B1278 | Combination Switch ECU Communication Stop | 1. Combination switch 2. Wire harness |
Refer to DTC B1278: Combination Switch ECU Communication Stop |
| B1279 | Rain Sensor Communication Stop*1 | 1. Rain sensor 2. Wire harness |
Refer to DTC B1279: Rain Sensor Communication Stop |
| B1296 | Front Light ECU Communication Stop | 1. Front controller 2. Wire harness |
Refer to DTC B1296: Front Light ECU Communication Stop |
| B1243 | GSW Terminal Circuit Malfunction | 1. Airbag sensor assembly 2. Wire harness 3. Body ECU |
Refer to DTC B1243: GSW Terminal Circuit Malfunction |
*1: w/ Auto Wiper System
When DTCs indicating "+B or GND short malfunction of communication bus" (B1214, B1215, etc.) are detected at the same time as DTCs indicating "communication stop" (B1200, B1207, etc.), repair DTCs indicating "+B or GND short malfunction of communication bus" first.