AutoCodes – Cadillac – B3574 Cadillac

B3574 Cadillac Code - Trip Odometer A Or B Select Switch Circuit Low

Quick Answer

The Instrument Panel Cluster (IPC) monitors the signal circuit of the internal trip odometer reset switch in order to change odometer displays and to reset the odometer value. Common causes include Faulty Instrument Panel Cluster (IPC), Instrument Panel Cluster (IPC) harness is open or shorted, Instrument Panel Cluster (IPC) 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: B3574 Cadillac indicates Trip Odometer A Or B Select Switch Circuit Low.
Common causes: Common causes include Faulty Instrument Panel Cluster (IPC), Instrument Panel Cluster (IPC) harness is open or shorted, Instrument Panel Cluster (IPC) 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 418

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 Mar 09, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B3574 Cadillac Description

The Instrument Panel Cluster (IPC) monitors the signal circuit of the internal trip odometer reset switch in order to change odometer displays and to reset the odometer value. The IPC detects a switch activation when the signal circuit is low. If the IPC detects that the trip odometer reset switch signal circuit is low for greater than 60 seconds, the IPC sets DTC B3574.

OBDII Code B3574 Cadillac - Trip Odometer A Or B Select Switch Circuit Low - AutoCodes.com — B3574 Cadillac Code - Trip Odometer A Or B Select Switch Circuit Low

What does this mean?

What are the Possible Causes of the DTC B3574 Cadillac?

Faulty Instrument Panel Cluster (IPC)
Instrument Panel Cluster (IPC) harness is open or shorted
Instrument Panel Cluster (IPC) circuit poor electrical connection

How to Fix the DTC B3574 Cadillac?

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 B3574 Cadillac 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.

Frequently Asked Questions about B3574 Cadillac Code

1. What does OBDII code B3574 mean on a Cadillac?

B3574 indicates a problem with the Trip Odometer A or B Select Switch Circuit, specifically that the circuit is operating at a low voltage.

2. What are the common symptoms of code B3574?

Symptoms may include the trip odometer not switching between A and B, an unresponsive trip reset button, or the switch not functioning as intended.

3. What causes code B3574 on a Cadillac?

Common causes include a faulty trip odometer switch, damaged wiring or connectors in the circuit, or a failure in the instrument cluster.

4. How is code B3574 diagnosed?

A technician will check the switch functionality, inspect wiring and connectors for damage or corrosion, and test the circuit for proper voltage and continuity.

5. Can I drive my Cadillac with code B3574 active?

Yes, you can drive the vehicle, as this code typically does not affect drivability. However, the trip odometer switch may not function properly.

6. How do you fix code B3574 on a Cadillac?

Repairs may involve replacing the trip odometer switch, repairing damaged wiring or connectors, or reprogramming or replacing the instrument cluster.

7. How much does it cost to fix code B3574?

Repair costs vary but may range from $50 to $200, depending on whether the issue is the switch, wiring, or instrument cluster.

8. Can a dead battery cause code B3574?

A dead or weak battery is unlikely to cause this specific code, but electrical issues from a power surge or improper jump-starting could potentially damage the circuit.

9. Is code B3574 related to other odometer issues?

While B3574 specifically pertains to the trip odometer select switch circuit, other odometer issues may be caused by unrelated problems in the instrument cluster or speed sensors.

10. Do I need to reset the code after repairing B3574?

Yes, after completing repairs, you should clear the code with an OBDII scanner to ensure the issue has been resolved and to prevent the code from reappearing.