B1318 on Chrysler Voyager
Factory diagnostic protocol and troubleshooting wire for fault code B1318 specifically for the Chrysler Voyager (2020–2026, 3.6L Pentastar V6 24V VVT (287HP / 9-Speed Automatic)).
1. Symptoms of B1318 on Chrysler Voyager
When the Engine Control Module (ECM/PCM) on your Chrysler Voyager (3.6L Pentastar V6 24V VVT (287HP / 9-Speed Automatic)) logs fault code B1318, drivers commonly observe:
2. Most Likely Causes on Chrysler Voyager
Historical warranty claims and technical repair bulletins for Chrysler Voyager point to the following failure distribution:
3. Step-by-Step DIY Repair Guide for Chrysler Voyager
Measure resting battery voltage with engine off. Normal is 12.6V. If under 12.0V, battery is discharged. on the Chrysler Voyager equipped with 3.6L Pentastar V6 24V VVT (287HP / 9-Speed Automatic).
Remove corrosion with baking soda solution and wire brush, tighten terminal clamps firmly. on the Chrysler Voyager equipped with 3.6L Pentastar V6 24V VVT (287HP / 9-Speed Automatic).
Start engine and measure voltage across battery. Normal charging voltage is 13.8V to 14.6V. If below 13.0V, alternator has failed. on the Chrysler Voyager equipped with 3.6L Pentastar V6 24V VVT (287HP / 9-Speed Automatic).
Install new high-CCA AGM or flooded battery, or replace alternator. on the Chrysler Voyager equipped with 3.6L Pentastar V6 24V VVT (287HP / 9-Speed Automatic).
Clear DTCs and perform Battery Management System (BMS) reset if equipped. on the Chrysler Voyager equipped with 3.6L Pentastar V6 24V VVT (287HP / 9-Speed Automatic).
Equipment for Diagnosing Chrysler Voyager (B1318)
Chrysler Voyager OEM Replacement Sensor
Direct-fit replacement assembly engineered to OEM tolerances for Chrysler Voyager.
AstroAI Auto-Ranging Digital Multimeter
Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.
BlueDriver Bluetooth Pro OBDII Scan Tool
Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.
Other Common Fault Codes on Chrysler Voyager
Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Chrysler Voyager:
4. Chrysler Voyager B1318 FAQs
What causes code B1318 to trigger on a Chrysler Voyager?
On the Chrysler Voyager (3.6L Pentastar V6 24V VVT (287HP / 9-Speed Automatic)), B1318 is most frequently caused by Failing 12V automotive battery (sulfated plates or dead cell) or Faulty alternator not charging battery (>13.5V).
Where is the OBD-II port located on my Chrysler Voyager?
On the Chrysler Voyager, the 16-pin DLC diagnostic connector is located Driver lower kick panel near hood release lever. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.
Can I safely drive my Chrysler Voyager with code B1318?
Caution. Low voltage (<10V) causes random module dropouts, flickering dash lights, and stalling. Given that B1318 carries a Medium severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.

