APP_w053 — Radc Comm Issue

Full alert identifier: APP_w053_radcCommIssue

Alert description

The Autopilot electronic control unit (ECU) detects a condition affecting radar ECU communication.

Potential impact

Traffic-Aware Cruise Control (TACC) is unavailable. Other Autopilot features may be limited or unavailable.

Set condition

The Autopilot ECU sets this alert when the radar ECU reports missing Controller Area Network (CAN) messages or invalid values of CAN messages. Alert log signal data should provide information on the specific messages affected and condition(s) detected.

Clear condition

Depending on set condition, this alert should clear once the radar ECU's internal checks pass, indicating no further communication issues.

Signals to check

These diagnostic fields are associated with APP_w053. Check the alert's Alert Log in Service Mode Plus for available values.

Signal	Unit
A 10 Can Bus Off `APP_sw053_a10canBusOff`	—
A 11 Bdy MIA `APP_sw053_a11bdyMIA`	—
A 12 Esp MIA `APP_sw053_a12espMIA`	—
A 13 Gtw MIA `APP_sw053_a13gtwMIA`	—
A 14 Sccm MIA `APP_sw053_a14sccmMIA`	—
A 15 Adas MIA `APP_sw053_a15adasMIA`	—
A 16 Bdy Invalid Count `APP_sw053_a16bdyInvalidCount`	—
A 17 Adas Invalid Count `APP_sw053_a17adasInvalidCount`	—

Show 40 more fields

Signal	Unit
A 18 Esp Invalid Count `APP_sw053_a18espInvalidCount`	—
A 19 Sccm Invalid Count `APP_sw053_a19sccmInvalidCount`	—
A 20 Bdy Invalid Chk Sm `APP_sw053_a20bdyInvalidChkSm`	—
A 21 Esp Invalid Chk Sm `APP_sw053_a21espInvalidChkSm`	—
A 22 Sccm Invalid Chk Sm `APP_sw053_a22sccmInvalidChkSm`	—
A 23 Sccm Invalid Chk Sm `APP_sw053_a23sccmInvalidChkSm`	—
A 24 Abs Validity `APP_sw053_a24absValidity`	—
A 25 Amb T Validity `APP_sw053_a25ambTValidity`	—
A 26 Brake Validity `APP_sw053_a26brakeValidity`	—
A 27 Cntry Cd Validity `APP_sw053_a27CntryCdValidity`	—
A 28 Esp Validity `APP_sw053_a28espValidity`	—
A 29 Long Acc Off Validity `APP_sw053_a29longAccOffValidity`	—
A 30 Long Acc Validity `APP_sw053_a30longAccValidity`	—
A 31 Odo Validity `APP_sw053_a31odoValidity`	—
A 32 Gear Validity `APP_sw053_a32gearValidity`	—
A 33 Steer Ang Validity `APP_sw053_a33steerAngValidity`	—
A 34 Steer Ang Spd Validity `APP_sw053_a34steerAngSpdValidity`	—
A 35 Indctr Validity `APP_sw053_a35indctrValidity`	—
A 36 Veh Stnd Stll Validty `APP_sw053_a36vehStndStllValidty`	—
A 37 Vin Validity `APP_sw053_a37vinValidity`	—
A 38 Whl Rot Validity `APP_sw053_a38whlRotValidity`	—
A 39 Whl Spd Validity `APP_sw053_a39whlSpdValidity`	—
A 40 Whl Stnd Stll Validty `APP_sw053_a40whlStndStllValidty`	—
A 41 Wiper Validity `APP_sw053_a41wiperValidity`	—
A 42 Xwd Validity `APP_sw053_a42xwdValidity`	—
A 43 Yaw Off Validity `APP_sw053_a43yawOffValidity`	—
A 44 Yaw Validity `APP_sw053_a44yawValidity`	—
A 48 Steer Ang Off Sanity `APP_sw053_a48steerAngOffSanity`	—
A 49 Tire Size Sanity `APP_sw053_a49tireSizeSanity`	—
A 50 Velocity Sanity `APP_sw053_a50velocitySanity`	—
A 51 Yaw Sanity `APP_sw053_a51yawSanity`	—
A 53 Espmod Validity `APP_sw053_a53espmodValidity`	—
A 54 Gtwmod Validity `APP_sw053_a54gtwmodValidity`	—
A 55 Stwmod Validity `APP_sw053_a55stwmodValidity`	—
A 56 Bcmod Validity `APP_sw053_a56bcmodValidity`	—
A 57 Dimod Validity `APP_sw053_a57dimodValidity`	—
A 59 Drmi Invalid Chk Sm `APP_sw053_a59drmiInvalidChkSm`	—
A 60 Drmi Invalid Count `APP_sw053_a60drmiInvalidCount`	—
A 61 Rad Position Mismatch `APP_sw053_a61radPositionMismatch`	—
A 62 Str Rack Mismatch `APP_sw053_a62strRackMismatch`	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of APP_w053.