Lexus NX: Diagnostic Trouble Code Chart
Lexus NX Service Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Smart Access System With Push-button Start (for Start Function) / Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Smart Access System with Push-button Start (for Start Function)| DTC No. | Detection Item | Link |
|---|---|---|
| B2271 | Ignition Hold Monitor Malfunction | |
| B2274 | ACC Monitor Malfunction | |
| B2275 | STSW Monitor Malfunction | |
| B2277 | Detecting Vehicle Submersion | |
| B2282 | Vehicle Speed Signal Malfunction | |
| B2283 | Vehicle Speed Sensor Malfunction | |
| B2284 | Brake Signal Malfunction | |
| B2285 | Steering Lock Position Signal Circuit Malfunction | |
| U0140 | Lost Communication with Main Body ECU | |
| U0142 | Lost Communication with Main Body ECU | |
| U0155 | Lost Communication with Combination Meter | |
| U0293 | Lost Communication with Hybrid Vehicle Control System | |
| U1117 | Lost Communication with Accessory Gateway | |
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Ignition Hold Monitor Malfunction (B2271)
DESCRIPTION This DTC is stored when a malfunction in the IG circuit and IG hold circuit in the certification ECU (smart key ECU assembly) is detected. DTC No. Detection Item DTC Detection Condi
ACC Monitor Malfunction (B2274)
DESCRIPTION This DTC is stored when a malfunction in the ACC output circuit is detected. The ACC output circuit is the circuit that goes from the ACC output terminal of the certification ECU (smart ke
STSW Monitor Malfunction (B2275)
DESCRIPTION This DTC is stored when a malfunction is detected in the starter circuit inside the certification ECU (smart key ECU assembly). DTC No. Detection Item DTC Detection Condition Trou
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Parts Location
PARTS LOCATION ILLUSTRATION *A w/ Security Horn Assembly *B w/o Security Horn Assembly *1 HIGH PITCHED HORN ASSEMBLY *2 LOW PITCHED HORN ASSEMBLY *3 HOOD LOCK ASSEMBLY (ENGINE HOOD COURTESY SWITCH) *4 SECURITY HORN ASSEMBLY *5 MAP LIGHT ASSEMBLY *6 THEFT WARNI
Vehicle Approaching Sound ECU Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Vehicle Approaching Sound ECU Communication Stop Mode Any of the following conditions are met:
Communication stop for "Vehicle Proximity Notification System" is indicated on the "Communication Bus Check" screen of the Techstream.
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