NHTSA ID Number: 11029067
Manufacturer Communication Number: 552034
TSB/Document Date: 2026-02-27
Summary
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TSB/Document ID: 552034
Replacement Service Bulletin Number:
MFR Communication Date: 2026-02-27
MFR Internal Campaign ID/Software Version: 552034
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: UNKNOWN OR OTHER
MFR Component System:
MFR Component Subsystem:
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14
14
RED
WHITE
BROWN
BROWN
BROWN
BROWN
BROWN
BROWN
BROWN
BROWN
BROWN
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
22
19
DLD
SPLICE
SPLICE
SPLICE
SPLICE
SPLICE
SPLICE
SPLICE
SPLICE
14
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
CHASSIS DISTRIBITION PANEL
CHASSIS DISTRIBITION PANEL
COMPARTMENT LOCK + ZONE A
COMPARTMENT LOCK + ZONE A
COMPARTMENT LOCK + ZONE A
COMPARTMENT LOCK + ZONE A
COMPARTMENT LOCK + ZONE A
COMPARTMENT LOCK + ZONE A
COMPARTMENT LOCK + ZONE A
COMPARTMENT LOCK + ZONE A
COMPARTMENT LOCK + ZONE A
CI RCUI T DESCRI P TI ON (P RI N T)
GROUND FRONT BUNK LTS (PWM 6)
LIGHTS
LIGHTS
LIGHTS
LIGHTS
BLACK WATER TANK SIGNAL
BLACK WATER TANK SIGNAL RETURN
GRAY WATER TANK SIGNAL
GRAY WATER TANK SIGNAL RETURN
FRESH WATER TANK SIGNAL
FRESH WATER TANK RETURN
LP TANK SIGNAL
LP TANK SIGNAL
LP TANK SIGNAL RETURN
LP TANK SIGNAL RETURN
GENERATOR
GENERATOR
GENERATOR
GENERATOR
GENERATOR
GENERATOR
GENERATOR
GENERATOR
GENERATOR
GENERATOR
COMMON
COMMON
HOURMETER
HOURMETER
HOURMETER
INDICATOR
RUN
RUN
STOP
STOP
KEYLESS ENTRY POWER
KEYLESS ENTRY GROUND
COMPARTMENT LOCK + ZONE
COMPARTMENT LOCK + ZONE
COMPARTMENT LOCK + ZONE
COMPARTMENT LOCK + ZONE
COMPARTMENT LOCK + ZONE
COMPARTMENT LOCK + ZONE
COMPARTMENT LOCK + ZONE
COMPARTMENT LOCK + ZONE
COMPARTMENT LOCK + ZONE
9/30/2022
A
A
A
A
A
A
A
A
A
GRLS
46B
4
16
WHITE
3 of 7
BLACK
66A
N OTES
1:05 PM
D02020810 REV_G 37RB CHASSIS HARNESS DLC
W I RE #
STARTS
CAVI TY
COLOR
STRI P E
EN DS
CAVI TY
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
14
15
COMPARTMENT LOCK + ZONE A
COMPARTMENT LOCK + ZONE A
COMPARTMENT LOCK + ZONE A
COMPARTMENT LOCK + ZONE A
COMPARTMENT UNLOCK + ZONE A
COMPARTMENT UNLOCK + ZONE A
COMPARTMENT UNLOCK + ZONE A
COMPARTMENT UNLOCK + ZONE A
COMPARTMENT UNLOCK + ZONE A
COMPARTMENT UNLOCK + ZONE A
COMPARTMENT UNLOCK + ZONE A
COMPARTMENT UNLOCK + ZONE A
COMPARTMENT UNLOCK + ZONE A
COMPARTMENT UNLOCK + ZONE A
COMPARTMENT UNLOCK + ZONE A
COMPARTMENT UNLOCK + ZONE A
COMPARTMENT UNLOCK + ZONE A
COMPARTMENT LOCK + ZONE A
COMPARTMENT UNLOCK + ZONE A
COMPARTMENT LIGHTS 1 (ON/OFF 11)
COMPARTMENT LIGHTS 1 (ON/OFF 11)
COMPARTMENT LIGHTS 1 (ON/OFF 11)
COMPARTMENT LIGHTS 1 (ON/OFF 11)
COMPARTMENT LIGHTS 1 (ON/OFF 11)
COMPARTMENT LIGHTS 1 (ON/OFF 11)
COMPARTMENT LIGHTS 2 (ON/OFF 11)
COMPARTMENT LIGHTS 2 (ON/OFF 11)
COMPARTMENT LIGHTS 2 (ON/OFF 11)
COMPARTMENT LIGHTS 2 (ON/OFF 11)
COMPARTMENT LIGHTS 2 (ON/OFF 11)
COMPARTMENT LIGHTS 2 (ON/OFF 11)
GROUND COMPARTMENT LIGHTS 1
GROUND COMPARTMENT LIGHTS 1
GROUND COMPARTMENT LIGHTS 1
GROUND COMPARTMENT LIGHTS 1
GROUND COMPARTMENT LIGHTS 1
GROUND COMPARTMENT LIGHTS 1
GROUND COMPARTMENT LIGHTS 2
GROUND COMPARTMENT LIGHTS 2
GROUND COMPARTMENT LIGHTS 2
GROUND COMPARTMENT LIGHTS 2
GROUND COMPARTMENT LIGHTS 2
GROUND COMPARTMENT LIGHTS 2
CLP1
CLP1
CLP1
CLP1
CLP1
CLP1
CLP2
CLP2
CLP2
CLP2
CLP2
CLP2
G6
G6
G6
G6
G6
G6
G66
G66
G66
G66
G66
G66
46D
6
7
13
25A
34
46D
36
43D
57
62
67
36A
6
7
13
25A
34
36
43D
57
62
67
63
1
N/A
N/A
N/A
N/A
N/A
2
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
PURPLE
PURPLE
PURPLE
PURPLE
PURPLE
PURPLE
PURPLE
PURPLE
PURPLE
PURPLE
PURPLE
PURPLE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
N/A
N/A
N/A
N/A
N/A
N/A
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
36A
SPLICE
SPLICE
SPLICE
SPLICE
SPLICE
63
SPLICE
SPLICE
SPLICE
SPLICE
SPLICE
19
SPLICE
SPLICE
SPLICE
SPLICE
SPLICE
65
SPLICE
SPLICE
SPLICE
SPLICE
SPLICE
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
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N/A
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N/A
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N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
COMPARTMENT LIGHT 1
COMPARTMENT LIGHT 1
COMPARTMENT LIGHT 1
COMPARTMENT LIGHT 1
COMPARTMENT LIGHT 1
COMPARTMENT LIGHT 1
COMPARTMENT LIGHT 2
COMPARTMENT LIGHT 2
COMPARTMENT LIGHT 2
COMPARTMENT LIGHT 2
COMPARTMENT LIGHT 2
COMPARTMENT LIGHT 2
COMPART MENT LIGHT 1 GROUND
COMPART MENT LIGHT 1 GROUND
COMPART MENT LIGHT 1 GROUND
COMPART MENT LIGHT 1 GROUND
COMPART MENT LIGHT 1 GROUND
COMPART MENT LIGHT 1 GROUND
COMPART MENT LIGHT 2 GROUND
COMPART MENT LIGHT 2 GROUND
COMPART MENT LIGHT 2 GROUND
COMPART MENT LIGHT 2 GROUND
COMPART MENT LIGHT 2 GROUND
COMPART MENT LIGHT 2 GROUND
DINETTE LIGHT (BUILT IN SWITCH)
GROUND DINETTE LIGHT
DOH
G16
46E
35
1
N/A
16
16
ORANGE
WHITE
N/A
N/A
35
19
N/A
N/A
DINETTE LIGHT IN LR/DINETE SLIDEOUT
DINETTE LIGHT IN LR/DINETE SLIDEOUT
EMS
EMS GROUND
EMS
GEMS
46K
46N
2
9
16
16
RED
WHITE
WHITE
N/A
46N
19
8
N/A
EMS POWER BEHIND THE 120V BREAKER PANEL
EMS POWER BEHIND THE 120V BREAKER PANEL
ESD
18
ESI
ESO
ESP
G7
12
12
21
46C
21
11
N/A
N/A
13
5
11
N/A
18
18
16
16
10
12
BROWN
WHITE
YELLOW
RED
RED
WHITE
N/A
N/A
N/A
WHITE
N/A
N/A
11
19
11
11
11
19
C
N/A
B
D
A
N/A
CI RCUI T DESCRI P TI ON (P RI N T)
COMPARTMENT LOCK + ZONE A
COMPARTMENT LOCK + ZONE A
COMPARTMENT LOCK + ZONE A
COMPARTMENT LOCK + ZONE A
COMPARTMENT UNLOCK + ZONE
COMPARTMENT UNLOCK + ZONE
COMPARTMENT UNLOCK + ZONE
COMPARTMENT UNLOCK + ZONE
COMPARTMENT UNLOCK + ZONE
COMPARTMENT UNLOCK + ZONE
COMPARTMENT UNLOCK + ZONE
COMPARTMENT UNLOCK + ZONE
COMPARTMENT UNLOCK + ZONE
COMPARTMENT UNLOCK + ZONE
COMPARTMENT UNLOCK + ZONE
COMPARTMENT UNLOCK + ZONE
COMPARTMENT UNLOCK + ZONE
CAB DOOR LOCK +
CAB DOOR UNLOCK +
STEP DOOR SWITCH
GROUND STEP SWITCH
STEP IGNITION OVERRIDE
STEP OVERRIDE SIGNAL
STEP POWER
GROUND STEP
- CEL Doctor: The ANCEL AD310 is one of the best-selling OBD II scanners on the market and is recommended by Scotty Kilmer, a YouTuber and auto mechanic. It can easily determine the cause of the check engine light coming on. After repairing the vehicle's problems, it can quickly read and clear diagnostic trouble codes of emission system, read live data & hard memory data, view freeze frame, I/M monitor readiness and collect vehicle information.
- Sturdy and Compact: Equipped with a 2.5 foot cable made of very thick, flexible insulation. It is important to have a sturdy scanner as it can easily fall to the ground when working in a car. The AD310 OBD2 scanner is a well-constructed mechanic tool with a sleek design. It weighs 12 ounces and measures 8.9 x 6.9 x 1.4 inches. Thanks to its compact design and light weight, transporting the device is not a problem. The buttons are clearly labelled and the screen is large and displays results clearly.
- Accurate Fast and Easy to Use: The AD310 scanner can help you or your mechanic understand if your car is in good condition, provides exceptionally accurate and fast results, reads and clears engine trouble emission codes in seconds after you fixed the problem. This device will let you know immediately and fix the problem right away without any car knowledge. No need for batteries or a charger, get power directly from the OBDII Data Link Connector in your vehicle.
- OBDII Protocols and Car Compatibility: Many cheap scan tools do not really support all OBD2 protocols. AD310 scanner as it can support all OBDII protocols such as KWP2000, J1850 VPW, ISO9141, J1850 PWM and CAN. This device also has extensive vehicle compatibility with 1996 US-based, 2000 EU-based and Asian cars, light trucks, SUVs, as well as newer OBD2 and CAN vehicles both domestic and foreign. Pls confirm with our customer service whether it is compatible with your vehicle before purchasing.
- Home Necessity and Worthy to Own: This is an excellent code reader to travel or home with as it weighs less and it is compact in design. You can easily slide it in your backpack as you head to the garage, or put it on the dashboard, this will be a great fit for you. The AD310 is not only portable, but also accurate and fast in performance. Moreover, it covers various car brands and is suitable for people who just need a code reader to check their car.
- Multi-Functions - Practical Multi-Functions OBD2 code reader features built-in OBD2 DTC lookup library, which help you to determine the cause of the engine light, read code, erase code, view freeze frame, I/M ready, vehicle information, data flow, real-time curve, get vehicle speed information, calculate load value, engine coolant temperature, get engine speed.
- Wide Capability - Supports 9 protocols compatible with most 1996 US-Based, 2000 EU-Based and Asian cars, and newer OBD II & CAN domestic or import vehicles. Supports 6 languages - English,German, Dutch, Spanish, French, Italian.
- 2.8" LCD Display - Designed with a clear display 2.8" Large LCD screen - white backlight and contrast adjustment. No need any battery or charger, OBD reader gets the power directly from your vehicle through the OBDII Data Link Connector.
- Compact Design - Car diagnostic scanner is equipped with a 2.5 feet long cable and made of a very thick flexible insulator.There are 6 buttons on OBD2 Scanner:scroll up/down,enter/exit and buttons that quick query VIN vehicle number& the DTC fault code.
- ABS / Airbag codes NOT Supported - It is able to read and clear check engine information which is part of OBDII system, but it cannot work with non-OBDII systems, including ABS / Airbag / Oil Service Light, etc.
- 【Your Personal CEL Doctor – Read & Clear Engine Codes】The NT301 OBD2 scanner lets you read diagnostic trouble codes (DTCs), check em-issions readiness, turn off your Check Engine Light (CEL) or MIL, reset monitors, and view live data streams. It retrieves your vehicle's VIN instantly. Like all standard OBD2 scanners, it clears codes only after repairs are completed—if the issue persists, the code will return. Designed for DIYers who want to understand what’s really going on under the hood.
- 【Easy Code Reading – Just Plug & Play】Simply plug into the OBD2 port, turn the ignition to “ON” (engine off), and select the correct menu: Select OBDII-> Wait for seconds-> Select Read codes. For accurate results, ensure your vehicle is compatible and the OBD2 port is free from damage or wiring issues. No batteries needed— powered directly by your car.
- 【Live Data Graphing & Accuracy for Most OBD2 Vehicles】View and log live sensor data in graph form—monitor oxygen sensors, fuel trims, coolant temp, RPM, and more. Spot trends and suspicious values in real time. Compatible with most 1996+ gasoline cars, light trucks, and SUVs sold in the U.S., as well as many 2000+ European and Asian models. Also works on 12V diesel vehicles equipped with OBD2.
- 【S-mog Check Helper – Know Your Readiness Status at a Glance】With dedicated I/M readiness hotkeys and a simple Red-Yellow-Green LED indicator, you’ll instantly know if your vehicle is ready for em-issions testing. Built-in speaker provides audio feedback. No guesswork—just confidence before you head to the test center.
- 【A Must-Have Tool for Every Home Mechanic】Compact, rugged, and ready to use right out of the box. The 2.8” color screen is easy to read, even in daylight. No charging or setup required—just plug into the 16-pin DLC and start diagnosing. Recommended by professional mechanics on YouTube and trusted by DIYers worldwide.
Last update on 2026-03-20 / Affiliate links / Images from Amazon Product Advertising API
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