Chrysler 16 Battery Voltage Sense Circuit Loss
How to read it
Code 16 reads as 1 flash, pause, 6 flashes on the check-engine light. Cycle the ignition key on, off, on, off, then leave it on with the engine off, and count the flashes on the power loss or check-engine light.
New to flash codes? The How to Read Chrysler OBD-I Codes with the Key Cycle walks through the test and what the numbers mean. The general OBD-I guide covers the rest.
What does Chrysler code 16 mean?
Battery Voltage Sense Circuit Loss
Common causes of 16
- Open battery voltage sense wire to the controller
- Blown fuse in the battery feed or sense circuit
- Corroded controller connector pin on the sense line
- Charging system fault dropping supply voltage
- On some models a knock sensor circuit fault sets this same code
How to fix 16
- Measure battery and charging voltage under load with a meter
- Check the sense wire fuse and the feed to the controller
- Inspect the controller connector for corrosion and poor contact
- Test the knock sensor circuit on models that use it for this code
- Repair the charging fault before replacing any parts
- Clear the code and retest with the engine running
Sources and review
Review: qualified. Read the source limits below.
- Chrysler OBD-I trouble codes, model and year page
live reference page (troublecodes.net)
Supports: code identity and Chrysler meaning
Fetched directly from the linked model page. Single publisher, so the record is qualified, not verified. Causes and check order are curator-written from the circuit the code names.
- Chrysler OBD-I trouble codes, model and year page
live reference page (troublecodes.net)
Supports: code identity and Chrysler meaning
Fetched directly from the linked model page. Single publisher, so the record is qualified, not verified. Causes and check order are curator-written from the circuit the code names.
Last updated 2026-10-10.
Report a correction for 16. Include your vehicle, the issue and a source if you have one.