AutoCodes – Chrysler – P1492 Chrysler

P1492 Chrysler Code - Battery Temperature Sensor Voltage Too high

Quick Answer

With the key on or engine running, then the Powertrain Control Module (PCM) detects that the Battery Temperature Sensor (BTS) value was more than 4.9v for 3 seconds. Common causes include Faulty Battery Temperature Sensor, Battery Temperature Sensor harness is open or shorted, Battery Temperature Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P1492 Chrysler indicates Battery Temperature Sensor Voltage Too high.
Common causes: Common causes include Faulty Battery Temperature Sensor, Battery Temperature Sensor harness is open or shorted, Battery Temperature Sensor circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 18,051

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 25, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1492 Chrysler Description

With the key on or engine running, then the Powertrain Control Module (PCM) detects that the Battery Temperature Sensor (BTS) value was more than 4.9v for 3 seconds.

OBDII Code P1492 Chrysler - Battery Temperature Sensor Voltage Too high - AutoCodes.com — P1492 Chrysler Code - Battery Temperature Sensor Voltage Too high

What does this mean?

What are the Possible Causes of the DTC P1492 Chrysler?

Faulty Battery Temperature Sensor
Battery Temperature Sensor harness is open or shorted
Battery Temperature Sensor circuit poor electrical connection

How to Fix the DTC P1492 Chrysler?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1492 Chrysler code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.