P0513 on Honda
Incorrect Immobilizer Key
P0513 on Honda vehicles indicates incorrect immobilizer key. Au7o has documented this code across 1 Honda model — most commonly on Accord. The vehicle's immobilizer/anti-theft system did not receive a valid transponder key code, so the PCM/immobilizer treats the key as incorrect or unrecognized and may prevent starting. This is a security-system correlation fault. Typical repair costs on Honda range from $180 to $900, depending on the specific model and root cause.
Common Causes of P0513
- •Unprogrammed or incorrect key/transponder
- •Faulty transponder chip in the key
- •Damaged immobilizer antenna ring around the ignition
- •Immobilizer or PCM communication fault
- •Weak key fob battery (on some systems)
P0513 on Honda by Model
Honda Accord(1 issue)
- Ignition Switch and Immobilizer Shut-Off / No-Start2000
A recurring electrical issue involves faulty ignition switch operation and immobilizer-related stalling or no-start conditions. Complaints describe the green key light flashing, the engine shutting off while driving, intermittent no-starts, and dash/instrument power behaving erratically until the switch or related electronics are repaired.
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View P0513 across all makes →Frequently Asked Questions
What does P0513 mean on Honda?▼
P0513 stands for "Incorrect Immobilizer Key." The vehicle's immobilizer/anti-theft system did not receive a valid transponder key code, so the PCM/immobilizer treats the key as incorrect or unrecognized and may prevent starting. This is a security-system correlation fault. On Honda specifically, this code is documented across 1 model.
What causes P0513 on Honda vehicles?▼
Common causes on Honda: Unprogrammed or incorrect key/transponder, Faulty transponder chip in the key, Damaged immobilizer antenna ring around the ignition, Immobilizer or PCM communication fault, Weak key fob battery (on some systems). Specific causes vary by model and year — see the per-model sections below.
How much does it cost to fix P0513 on a Honda?▼
Repair costs on Honda range from $180 to $900, depending on the specific model and root cause.
Which Honda models have P0513 documented?▼
Au7o has documented P0513 on 1 Honda model: Accord.