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P0705 on Chevrolet Colorado

Transmission Range Sensor Circuit Malfunction (PRNDL Input)

Factory diagnostic protocol and troubleshooting wire for fault code P0705 specifically for the Chevrolet Colorado (2021–2026, 2.7L Turbo 4-Cyl (310HP) / 3.6L V6 (308HP) / ZR2 AEV / Bison Off-Road).

Verified OEM Telemetry & Field Repair Tree
Chevrolet Colorado2021–2026
Chevrolet Colorado
Truck2.7L Turbo 4-Cyl (310HP) / 3.6L V6 (308HP) / ZR2 AEV / Bison Off-Road
Reliability
Sensor Voltage Ref
0.1V – 5.0V Ref
Colorado SAE Mode $01
ECU Network Bus
500 kbps CAN-FD
ISO 15765-4 Compliant
Drivability Status
Drivable (Short Trip)
High urgency level
Est. Repair Cost
$120 - $450 (DIY: $40 - $160)
Parts & Labor DIY
Check P0705 On Another Chevrolet Model:
Diagnose P0705 on Specific Colorado Model Year:

1. Symptoms of P0705 on Chevrolet Colorado

When the Engine Control Module (ECM/PCM) on your Chevrolet Colorado (2.7L Turbo 4-Cyl (310HP) / 3.6L V6 (308HP) / ZR2 AEV / Bison Off-Road) logs fault code P0705, drivers commonly observe:

Check Engine Light on on Chevrolet Colorado (2.7L Turbo 4-Cyl (310HP) / 3.6L V6 (308HP) / ZR2 AEV / Bison Off-Road)
Vehicle will not crank/start in Park (starts only in Neutral) on Chevrolet Colorado (2.7L Turbo 4-Cyl (310HP) / 3.6L V6 (308HP) / ZR2 AEV / Bison Off-Road)
Gear indicator on dashboard (P R N D 1 2) is blank or displays wrong gear on Chevrolet Colorado (2.7L Turbo 4-Cyl (310HP) / 3.6L V6 (308HP) / ZR2 AEV / Bison Off-Road)
Transmission shifts harshly or goes into 3rd gear limp mode on Chevrolet Colorado (2.7L Turbo 4-Cyl (310HP) / 3.6L V6 (308HP) / ZR2 AEV / Bison Off-Road)
Reverse backup lights fail to illuminate on Chevrolet Colorado (2.7L Turbo 4-Cyl (310HP) / 3.6L V6 (308HP) / ZR2 AEV / Bison Off-Road)
Chevrolet Colorado OBD-II Port Location
The 16-pin diagnostic connector is located Under driver side dashboard, left of center stack. Plug in your scan tool to verify freeze-frame sensor values.

2. Most Likely Causes on Chevrolet Colorado

Historical warranty claims and technical repair bulletins for Chevrolet Colorado point to the following failure distribution:

55%
Misaligned or faulty Transmission Range Sensor / Neutral Safety Switch (NSS) (Chevrolet OEM Part)
25%
Corroded or water-logged connector on transmission side (Chevrolet OEM Part)
12%
Stretched or misadjusted shift linkage cable (Chevrolet OEM Part)
8%
Broken internal switch contacts (Chevrolet OEM Part)
* Source: Synthesized from NHTSA ODI field repair telemetry and verified OEM Technical Service Bulletin (TSB) repair tree frequency percentiles for Chevrolet Colorado.

3. Step-by-Step DIY Repair Guide for Chevrolet Colorado

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 the Chevrolet Colorado equipped with 2.7L Turbo 4-Cyl (310HP) / 3.6L V6 (308HP) / ZR2 AEV / Bison Off-Road.

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 the Chevrolet Colorado equipped with 2.7L Turbo 4-Cyl (310HP) / 3.6L V6 (308HP) / ZR2 AEV / Bison Off-Road.

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 the Chevrolet Colorado equipped with 2.7L Turbo 4-Cyl (310HP) / 3.6L V6 (308HP) / ZR2 AEV / Bison Off-Road.

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 the Chevrolet Colorado equipped with 2.7L Turbo 4-Cyl (310HP) / 3.6L V6 (308HP) / ZR2 AEV / Bison Off-Road.

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 the Chevrolet Colorado equipped with 2.7L Turbo 4-Cyl (310HP) / 3.6L V6 (308HP) / ZR2 AEV / Bison Off-Road.

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

Equipment for Diagnosing Chevrolet Colorado (P0705)

Prime Fast Delivery & Verified Fitment
Direct-Fit Replacement Part

Chevrolet Colorado OEM Replacement Sensor

4.7 / 5.0 (Verified Fit)

Direct-fit replacement assembly engineered to OEM tolerances for Chevrolet Colorado.

$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 Chevrolet ColoradoVerified direct-fit pricing from Denso, Bosch, Motorcraft, and ACDelco on Amazon.
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Other Common Fault Codes on Chevrolet Colorado

Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Chevrolet Colorado:

4. Chevrolet Colorado P0705 FAQs

What causes code P0705 to trigger on a Chevrolet Colorado?

On the Chevrolet Colorado (2.7L Turbo 4-Cyl (310HP) / 3.6L V6 (308HP) / ZR2 AEV / Bison Off-Road), P0705 is most frequently caused by Misaligned or faulty Transmission Range Sensor / Neutral Safety Switch (NSS) or Corroded or water-logged connector on transmission side.

Where is the OBD-II port located on my Chevrolet Colorado?

On the Chevrolet Colorado, the 16-pin DLC diagnostic connector is located Under driver side dashboard, left of center stack. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.

Can I safely drive my Chevrolet Colorado with code P0705?

Caution. Vehicle may not start in Park, backup lights may not work, and transmission may lock in Limp Mode. Given that P0705 carries a High severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.