A/C not cooling, U0626 code on your vehicle—lost communication with refrigerant pressure sensor A, risking HVAC loss. Scan, check wiring, plan repair.

Fuel pressure sensor silence on your truck cuts power, may stall—lost communication with Bank 1 sensor. Scan, check wiring, replace or reprogram module.

Coolant pump “B” not communicating, causing overheating risk in your vehicle. Scan for U0624, verify wiring, and schedule module repair to prevent damage.

Coolant pump “A” not communicating causing overheating risk – check your vehicle’s warning light and have the module scanned and reprogrammed now.

Vehicle shows Lost Communication With Exhaust Gas Temperature Sensor Bank 2 Sensor 2 – overheat risk. Scan CAN bus, check wiring, reprogram/replace module.

Your vehicle shows communication loss with Exhaust Gas Temp Sensor Bank 2 Sensor 1 (U0621). It may trigger limp mode—scan the module and repair or repro...

No exhaust temp signal from Bank 1 Sensor 2 on your vehicle? It can trigger protection and emissions errors—scan, check wiring, and reprogram/replace unit.

Reductant sensor warning on your vehicle? Lost communication can trigger emissions failures—scan the network and reprogram or replace the sensor module.

No coolant‑bypass valve D signal triggers overheating risk in your vehicle—diagnose loss of communication now and plan module testing or replacement.

Coolant gauge flashes and check‑engine light on your vehicle? Lost communication with Engine Coolant Bypass Valve C can overheat engine—scan and replace.