B1318 on Dodge Hornet
Factory diagnostic protocol and troubleshooting wire for fault code B1318 specifically for the Dodge Hornet (2023–2026, 2.0L Turbo (265HP) / R/T PHEV (288HP / eAWD)).
1. Symptoms of B1318 on Dodge Hornet
When the Engine Control Module (ECM/PCM) on your Dodge Hornet (2.0L Turbo (265HP) / R/T PHEV (288HP / eAWD)) logs fault code B1318, drivers commonly observe:
2. Most Likely Causes on Dodge Hornet
Historical warranty claims and technical repair bulletins for Dodge Hornet point to the following failure distribution:
3. Step-by-Step DIY Repair Guide for Dodge Hornet
Measure resting battery voltage with engine off. Normal is 12.6V. If under 12.0V, battery is discharged. on the Dodge Hornet equipped with 2.0L Turbo (265HP) / R/T PHEV (288HP / eAWD).
Remove corrosion with baking soda solution and wire brush, tighten terminal clamps firmly. on the Dodge Hornet equipped with 2.0L Turbo (265HP) / R/T PHEV (288HP / eAWD).
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 Dodge Hornet equipped with 2.0L Turbo (265HP) / R/T PHEV (288HP / eAWD).
Install new high-CCA AGM or flooded battery, or replace alternator. on the Dodge Hornet equipped with 2.0L Turbo (265HP) / R/T PHEV (288HP / eAWD).
Clear DTCs and perform Battery Management System (BMS) reset if equipped. on the Dodge Hornet equipped with 2.0L Turbo (265HP) / R/T PHEV (288HP / eAWD).
Equipment for Diagnosing Dodge Hornet (B1318)
Dodge Hornet OEM Replacement Sensor
Direct-fit replacement assembly engineered to OEM tolerances for Dodge Hornet.
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 Dodge Hornet
Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Dodge Hornet:
4. Dodge Hornet B1318 FAQs
What causes code B1318 to trigger on a Dodge Hornet?
On the Dodge Hornet (2.0L Turbo (265HP) / R/T PHEV (288HP / eAWD)), 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 Dodge Hornet?
On the Dodge Hornet, the 16-pin DLC diagnostic connector is located Under driver steering column lower trim. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.
Can I safely drive my Dodge Hornet 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.

