2003 Isuzu Axiom Base, RWDFACTORY OEM SERVICE PROCEDURE

Driveline Control System (Tod) DTCS

DRIVELINE CONTROL SYSTEM (TOD) DIAGNOSTIC TROUBLE CODES (DTC) LIST

Code Tech 2 code (P code) Item Diagnosis Check flow No.
12 - Start code Normal -
13 P1735 Ref Shorted GND 6
14 P1731 Front speed sensor Input abnormality (open, sig or com) 2 2
15 P1736 Ref Shorted VB 6
16 P1737 Front speed sensor Input abnormality 4
17 P1774 Inhibitor switch Input abnormality 8
21 P1716 TPS Shorted or disconnected wiring, abnormality in input 7
23 - ECU CPU abnormality 1
24 P1733 Rear speed sensor Input abnormality (open, sig or com) 3
27 P1738 Rear speed sensor Input abnormality 5
28 P1760 ADC (+) & AXLE SW Output abnormality 10
31 P1721 EMC (+) Shorted VB, disconnected coil/wiring or shorted GND 9
32 P1761 ADC (+) Shorted VB or disconnected wiring 11
33 P1762 ADC (+) Shorted GND 12
36 ___ ECU CPU abnormality 1
37 P1712 ECU CPU abnormality 1
38 P1714 ECU CPU abnormality 1
41 P1741 Hight -Low shift motor Shorted GND or disconnected wiring 13
42 P1773 Hight -Low shift motor User operation error (not failure) 14
43 P1741 Hight -Low shift motor Motor moving more than 5 sec 15
55 P1755 Hight -Low shift motor Input abnormality of motor position signal 16
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.