AutoCodes – Cadillac – P1501 Cadillac

P1501 Cadillac Code - Theft Deterrent System Fault Conditions

Quick Answer

With the engine cranking, the Powertrain Control Module (PCM) determines that the Theft Deterrent password had not been programmed into the PCM. Common causes include Faulty Theft Deterrent System, Theft Deterrent System program. 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: P1501 Cadillac indicates Theft Deterrent System Fault Conditions.
Common causes: Common causes include Faulty Theft Deterrent System, Theft Deterrent System program.
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 3,277

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 P1501 Cadillac Description

With the engine cranking, the Powertrain Control Module (PCM) determines that the Theft Deterrent password had not been programmed into the PCM. Note: The ignition key contains a transponder that transmits a signal to the theft deterrent module when the ignition switch is turned to the ON position. The TDM (module) compares the signal from the key and determines if an authorized key is being used.

OBDII Code P1501 Cadillac - Theft Deterrent System Fault Conditions - AutoCodes.com — P1501 Cadillac Code - Theft Deterrent System Fault Conditions

What does this mean?

What are the Possible Causes of the DTC P1501 Cadillac?

Faulty Theft Deterrent System
Theft Deterrent System program

How to Fix the DTC P1501 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 P1501 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.