Engine-Codes - Buick - P1018 BUICK

P1018 BUICK Code - Reductant Control Module Sensor Communication Voltage Supply Circuit Low Voltage

- Code Popularity: 74 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the P1018 BUICK Code?

  • Faulty Reductant Control Module
  • Reductant Control Module harness is open or shorted
  • Reductant Control Module circuit poor electrical connection
  • Faulty Reductant Quality Sensor

|How to Fix the P1018 BUICK Code?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

|What is the cost to diagnose the P1018 BUICK code?

Labor: 1.0

The cost to diagnose the P1018 BUICK code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are P1018 BUICK code possible symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|What Does the P1018 BUICK Code Mean?

The Reductant Quality Sensor is located in the reductant tank and uses an ultrasonic signal to measure reductant fluid quality. The Reductant Quality Sensor includes an integrated temperature sensor to measure reductant fluid temperature. The Reductant Quality Sensor communicates with the Reductant Control Module using serial data. The Diagnostic Trouble Code (DTC) will be set if the reductant control module detects a short to ground on the 5 V reference circuit for greater than 1 s.

Reductant Control Module Sensor Communication Voltage Supply Circuit Low Voltage

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