P2ACC

Reductant Temperature Sensor B Circuit

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine light comes on
Possible reduction in engine power
Increased fuel consumption
The SCR system may turn off
Possible problems with passing technical inspection

Causes

Reagent temperature sensor B fault
Open or short circuit in the sensor circuit
Poor contact in sensor connectors
Problems with the SCR control module
Mechanical damage to wiring

How to Fix

Check the integrity of the wiring to the sensor
Check sensor connections and connectors
Test sensor resistance
If necessary, replace the temperature sensor
Reset the error code and check the system

Related codes

P2ACB P2ACD P2ACE