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P0705 on Jeep: Symptoms, Causes & Fix

Transmission Range Sensor Circuit Malfunction (PRNDL Input)

Official technical diagnostic wire for fault code P0705 specifically affecting Jeep vehicles (Grand Cherokee, Wrangler, Gladiator, Compass).

Sensor Voltage Ref
0.1V – 5.0V Ref
Jeep Factory Standard
CAN Bus Speed
500 kbps CAN-FD
ISO 15765-4 Diagnostic Bus
Drivability Status
Drivable (Short Trip)
High urgency level
Est. Repair Cost
$120 - $450 (DIY: $40 - $160)
Parts & Labor DIY
Model-Specific Diagnostic Wires

Select Your Jeep Model for P0705:

5 Models Available

1. Common Symptoms on Jeep Vehicles

When Jeep Engine Control Modules (ECM) trigger fault code P0705, drivers typically report:

Check Engine Light on on Jeep Powertrains
Vehicle will not crank/start in Park (starts only in Neutral) on Jeep Powertrains
Gear indicator on dashboard (P R N D 1 2) is blank or displays wrong gear on Jeep Powertrains
Transmission shifts harshly or goes into 3rd gear limp mode on Jeep Powertrains
Reverse backup lights fail to illuminate on Jeep Powertrains

2. Root Causes on Jeep Engines

Historical diagnostic claims across Jeep engines point to the following failure distribution:

55%
Misaligned or faulty Transmission Range Sensor / Neutral Safety Switch (NSS) (Jeep OEM Part)
25%
Corroded or water-logged connector on transmission side (Jeep OEM Part)
12%
Stretched or misadjusted shift linkage cable (Jeep OEM Part)
8%
Broken internal switch contacts (Jeep OEM Part)

3. Step-by-Step Fix Protocol for Jeep

01
Check PRNDL Live Data

Move gear selector through all positions while monitoring scan tool TR PID to see which gear positions fail to register. on Jeep engines.

Required Tool: OBD-II Scanner
02
Inspect Shift Cable Alignment

Ensure the mechanical shift linkage fully clicks the transmission lever into the physical detent for Park and Neutral. on Jeep engines.

Required Tool: Pliers, Socket Set
03
Test Neutral Safety Switch Continuity

Use multimeter to check continuity across switch pins in Park, Reverse, Neutral, and Drive. on Jeep engines.

Required Tool: Digital Multimeter
04
Replace or Re-align Range Sensor

Loosen mounting bolts, use alignment pin to align sensor slot with transmission shaft in Neutral, torque bolts, or install new OEM sensor. on Jeep engines.

Required Tool: 10mm/12mm Sockets, Alignment Pin
05
Clear Trouble Codes and Verify Starting

Clear DTCs and confirm engine starts in Park and Neutral, reverse lights activate, and gear display is accurate. on Jeep engines.

Required Tool: OBD-II Scanner
Recommended Parts & Testing Tools

Equipment for Diagnosing Jeep (P0705)

Prime Fast Delivery & Verified Fitment
Direct-Fit Replacement Part

Jeep OEM Replacement Sensor

4.7 / 5.0 (Verified Fit)

Direct-fit replacement assembly engineered to OEM tolerances for Jeep.

$45 – $95 Prime
Check Fitment on Amazon
Sensor Signal Voltage Meter

AstroAI Auto-Ranging Digital Multimeter

4.6 / 5.0 (Best Seller)

Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.

$29.99 Prime
View on Amazon
Top Mobile OBD-II Scanner

BlueDriver Bluetooth Pro OBDII Scan Tool

4.7 / 5.0 (50,000+ Reviews)

Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.

Compare OEM & Aftermarket Replacement Sensors for JeepVerified direct-fit pricing from Denso, Bosch, Motorcraft, and ACDelco on Amazon.
Find Parts on Amazon
* As an Amazon Associate, MazicBay earns from qualifying purchases. Prices & availability subject to change.

4. Jeep P0705 Frequently Asked Questions

What does code P0705 mean on a Jeep?

On Jeep vehicles, P0705 indicates that the Engine Control Module (ECM) detected transmission range sensor circuit malfunction (prndl input). This typically points to Misaligned or faulty Transmission Range Sensor / Neutral Safety Switch (NSS) or Corroded or water-logged connector on transmission side.

Can I continue driving my Jeep with code P0705?

Caution. Vehicle may not start in Park, backup lights may not work, and transmission may lock in Limp Mode. Because this code carries a High severity rating on Jeep powertrains, we recommend scanning live data values promptly to prevent secondary damage.

How much does it cost to fix code P0705 on a Jeep?

Estimated DIY parts cost ranges from $120 - $450 (DIY: $40 - $160), while professional shop repairs at an authorized Jeep dealership or independent specialist typically range from $180 to $380 including diagnostic labor.